APA aipamena

FERRELL O C. (2003). MARKETING STRATEGY. THOMSON.

Chicago Style aipamena

FERRELL O C. MARKETING STRATEGY. AUSTRALIA: THOMSON, 2003.

MLA aipamena

FERRELL O C. MARKETING STRATEGY. THOMSON, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.