APA aipamena

FREY, A. W. Advertising#Albert Wesley Frey. Ronald Press.

Chicago Style aipamena

FREY, Albert Wesley. Advertising#Albert Wesley Frey. Ronald Press.

MLA aipamena

FREY, Albert Wesley. Advertising#Albert Wesley Frey. Ronald Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.