Crouch, S. (1984). Marketing Research for Managers. Elsevier.
Chicago Style aipamenaCrouch, Sunny. Marketing Research for Managers. New Delhi: Elsevier, 1984.
MLA aipamenaCrouch, Sunny. Marketing Research for Managers. Elsevier, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.