APA (7th ed.) Zitazioa
Coyle, W. (1995). Research papers (9th.ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Coyle, William. Research Papers. 9th.ed. Boston: Allyn and Bacon, 1995.
MLA (9th ed.) Zitazioa
Coyle, William. Research Papers. 9th.ed. Allyn and Bacon, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.