APA aipamena

Denny, R. (1995). Speak for yourself. UBS.

Chicago Style aipamena

Denny, Richard. Speak for Yourself. UBS, 1995.

MLA aipamena

Denny, Richard. Speak for Yourself. UBS, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.