APA aipamena

Wolff, J. Marketing for Entrepreneurs (1.). Pearson Education UK.

Chicago Style aipamena

Wolff, Jurgen. Marketing for Entrepreneurs. 1. Pearson Education UK.

MLA aipamena

Wolff, Jurgen. Marketing for Entrepreneurs. 1. Pearson Education UK.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.