The phrase "source of exasperation" is correct and can be used in written English.
It is used to describe a person or situation that causes frustration, annoyance, or impatience. For example, "My boss's unreasonable demands are a constant source of exasperation."
Yet this remains a source of exasperation.
Mr. Bulos fulminates amusingly as the cantankerous Bill, whose rock-solid Maronite faith is both a source of exasperation and, oddly, succor to his nonbelieving nephews.
The password has become a monkey on our digital backs — an essential key to our many devices and accounts, but increasingly a source of exasperation and insecurity.
For a player who prides himself on being a key part in a collective, his inability to live up to his billing has been a source of exasperation.
For years, the elevators in New York City's public housing projects have been a source of exasperation for tenants, who call them unreliable, foul and sometimes dangerous.
LOS ANGELES — If David Ortiz was bothered that his teammate Ryan Dempster plunked Alex Rodriguez, he found a new source of exasperation as he stood at his locker Friday afternoon — that people were still asking him about it.
Mark Ramprakash (52 Tests with an average of 27) and Graeme Hick (65 at 31) were regular sources of exasperation.
Often he himself is the unknowing source of this exasperation.
"Would you like to live here?" he asks, gesturing towards nearby Jbel Borj Chakir, Tunisia's largest landfill site and a source of growing exasperation.
The warnings about China's possible reaction and the questions about the sincerity of his pullback from outright independence are a source of endless exasperation for Mr. Chen.
Wikipedia will tell you that the "CSI effect" is a source of continued exasperation for genuine law enforcement professionals, since the global popularity of the franchise had the side-effect of making millions of normal citizens believe they had a grasp of investigative techniques.
