APA aipamena

Ford, N. M. (1991). When did I begin. Cambridge University Press.

Chicago Style aipamena

Ford, Norman M. When Did I Begin. New York: Cambridge University Press, 1991.

MLA aipamena

Ford, Norman M. When Did I Begin. Cambridge University Press, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.