APA aipamena

Westwood, J. (1997). 30 minutes ... to write a marketing plan. Kogan page.

Chicago Style aipamena

Westwood, John. 30 Minutes ... to Write a Marketing Plan. New Delhi: Kogan page, 1997.

MLA aipamena

Westwood, John. 30 Minutes ... to Write a Marketing Plan. Kogan page, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.