APA aipamena

Yerby, F. (1970). Speak now: Modern novel. Heinemann.

Chicago Style aipamena

Yerby, Frank. Speak Now: Modern Novel. Heinemann, 1970.

MLA aipamena

Yerby, Frank. Speak Now: Modern Novel. Heinemann, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.