STEVENS RICHARD W. (2002). MARKETING RESEARCH: TEXT AND CASES. JAICO PUBLISHING HOUSE.
Chicago Style aipamenaSTEVENS RICHARD W. MARKETING RESEARCH: TEXT AND CASES. MUMBAI: JAICO PUBLISHING HOUSE, 2002.
MLA aipamenaSTEVENS RICHARD W. MARKETING RESEARCH: TEXT AND CASES. JAICO PUBLISHING HOUSE, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.