Citazione Stile APA (7a Edizione)

BOYD HARPER W. (1990). MARKETING RESEARCH TEXT AND CASES (7.). RICHARD D.IRWIN INC.

Citazione stile Chigago Style (17a edizione)

BOYD HARPER W. MARKETING RESEARCH TEXT AND CASES. 7. DELHI: RICHARD D.IRWIN INC, 1990.

Citatione MLA (9a ed.)

BOYD HARPER W. MARKETING RESEARCH TEXT AND CASES. 7. RICHARD D.IRWIN INC, 1990.