APA aipamena

SPITZING, G. (1974). The photoguide to potraits. Focal Press.

Chicago Style aipamena

SPITZING, Gunter. The Photoguide to Potraits. Focal Press, 1974.

MLA aipamena

SPITZING, Gunter. The Photoguide to Potraits. Focal Press, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.