APA aipamena

Birt, I. (2005). Marketing and promoting your business: Products and services. Australia: Pearson Education.

Chicago Style aipamena

Birt, Ian. Marketing and Promoting Your Business: Products and Services. Australia: Pearson Education, 2005.

MLA aipamena

Birt, Ian. Marketing and Promoting Your Business: Products and Services. Australia: Pearson Education, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.