APA aipamena

Wilson, A. (1961). The old men at the zoo. Seeker & Warburg.

Chicago Style aipamena

Wilson, Angus. The Old Men at the Zoo. London: Seeker & Warburg, 1961.

MLA aipamena

Wilson, Angus. The Old Men at the Zoo. Seeker & Warburg, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.