APA aipamena

Greatorex, W. (1984). Button zone. New York: Signet.

Chicago Style aipamena

Greatorex, Wilfred. Button Zone. New York: Signet, 1984.

MLA aipamena

Greatorex, Wilfred. Button Zone. New York: Signet, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.