APA (7th ed.) Zitazioa
Cheryl, H., & Parker, C. (1990). Communicating for results: A guide for business and professions (3rd ed.). Wadsworth.
Chicago Style (17th ed.) Zitazioa
Cheryl, Hamilton, eta Cordell Parker. Communicating for Results: A Guide for Business and Professions. 3rd ed. Belmont: Wadsworth, 1990.
MLA (9th ed.) Zitazioa
Cheryl, Hamilton, eta Cordell Parker. Communicating for Results: A Guide for Business and Professions. 3rd ed. Wadsworth, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.