APA aipamena

ADAMS TONY. (1989). SECRETS OF SUCCESSFUL SALES MANAGEMENT: HOW TO BE A BETTER SALES MANAGER. HEINEMANN.

Chicago Style aipamena

ADAMS TONY. SECRETS OF SUCCESSFUL SALES MANAGEMENT: HOW TO BE A BETTER SALES MANAGER. LONDON: HEINEMANN, 1989.

MLA aipamena

ADAMS TONY. SECRETS OF SUCCESSFUL SALES MANAGEMENT: HOW TO BE A BETTER SALES MANAGER. HEINEMANN, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.