APA (7th ed.) Zitazioa
Watkins, M. A. (1972). Fundamentals of oral and written communication. Wm C. Brown Co..
Chicago Style (17th ed.) Zitazioa
Watkins, Margaret Allison. Fundamentals of Oral and Written Communication. Lowa: Wm C. Brown Co., 1972.
MLA (9th ed.) Zitazioa
Watkins, Margaret Allison. Fundamentals of Oral and Written Communication. Wm C. Brown Co., 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.