Dyfyniad APA
Barrass, R. (1978). Scientists must write: A guide to better writing for scientists, engineers and students. Chapman and Hall ; Wiley.
Dyfyniad Arddull Chicago
Barrass, Robert. Scientists Must Write: A Guide to Better Writing for Scientists, Engineers and Students. London : New York: Chapman and Hall ; Wiley, 1978.
Dyfyniad MLA
Barrass, Robert. Scientists Must Write: A Guide to Better Writing for Scientists, Engineers and Students. Chapman and Hall ; Wiley, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.