The phrase "as reference work" is correct and usable in written English.
It can be used when discussing a source or material that serves as a guide or resource for information on a particular subject.
Example: "The book is often cited as reference work for students studying environmental science."
Alternatives: "as a resource" or "as a reference material".
(That's the one detail I couldn't confirm in the books I referenced, if standing in the aisle of the Strand and pouring over a number of Nixon biographies counts as reference work).
> CO3 and SynP rely on verbs that we have collected from the research work using different experiments and then published as reference work (26).
All models for FEV1 level and symptoms were adjusted for age (year), height (centimeters), sex (female as reference), smoking status (current or former smoker with never smoker as reference), work status (active vs. retired) and years since cessation of exposure.
C1 Educational Software Fades Sales of educational software -- a category that includes programs teaching math, reading and other subjects as well as reference works like encyclopedias -- has plummeted, now that free games and learning sites now available all over the Internet.
As fine as the Macmillan Encyclopedia was, by the time it was five years old, its value as a reference work for the philosophy profession had greatly diminished.
It's also not of much use as a reference work, unless you regularly need to look up such data as the youngest fan to tour every soccer league field.
There they began work in earnest on their most ambitious enterprise, the Deutsches Wörterbuch, a large German dictionary intended as a guide for the user of the written and spoken word as well as a scholarly reference work.
And Corning will use the 528-page general history as a reference work for managers.
Such exercises in nitpicking are relatively meaningless, as no reference work is infallible.
His primary work, Système silurien du centre de la Bohême (1852 94; "Silurian System of Central Bohemia"), complete with excellent drawings, is still used as a reference work.
Twenty years in the making, the book retailed at £ 4,900, and the Times Literary Supplement hailed it as a reference work that would soon prove indispensable.
