APA aipamena

Ford, G. B. (1969). A degree of difference. Farrar, Straus & Giroux.

Chicago Style aipamena

Ford, George Barry. A Degree of Difference. New York: Farrar, Straus & Giroux, 1969.

MLA aipamena

Ford, George Barry. A Degree of Difference. Farrar, Straus & Giroux, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.