APA (7th ed.) Zitazioa

Gale Research Company. (1977). Abbreviations dictionary (5th ed.). .Gale Research Co.

Chicago Style (17th ed.) Zitazioa

Gale Research Company. Abbreviations Dictionary. 5th ed. Detroit, Mich: .Gale Research Co, 1977.

MLA (9th ed.) Zitazioa

Gale Research Company. Abbreviations Dictionary. 5th ed. .Gale Research Co, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.