APA aipamena

Bauer, C. (2011). Sales Mastery. Penguin Books.

Chicago Style aipamena

Bauer, Chuck. Sales Mastery. New Delhi: Penguin Books, 2011.

MLA aipamena

Bauer, Chuck. Sales Mastery. Penguin Books, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.