APA aipamena

TULL DONALD S. (2009). MARKETING RESEARCH: MEASUREMENT AND METHOD (6TH.). PRENTICE HALL OF INDIA.

Chicago Style aipamena

TULL DONALD S. MARKETING RESEARCH: MEASUREMENT AND METHOD. 6TH. NEW DELHI: PRENTICE HALL OF INDIA, 2009.

MLA aipamena

TULL DONALD S. MARKETING RESEARCH: MEASUREMENT AND METHOD. 6TH. PRENTICE HALL OF INDIA, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.