APA (7th ed.) Zitazioa

(1982). Countries of the world and their leaders yearbook 1982. Gale Research Co..

Chicago Style (17th ed.) Zitazioa

Countries of the World and Their Leaders Yearbook 1982. Detroit, Mich.: Gale Research Co., 1982.

MLA (9th ed.) Zitazioa

Countries of the World and Their Leaders Yearbook 1982. Gale Research Co., 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.