Cita APA (7th ed.)
Boyd, H. W., & Westfall, R. L. (1999). Marketing research: Text and cases (7th ed.). AITBS Publishers.
Cita Chicago (17th ed.)
Boyd, Harper W., i Ralph L. Westfall. Marketing Research: Text and Cases. 7th ed. New Delhi: AITBS Publishers, 1999.
Cita MLA (9th ed.)
Boyd, Harper W., i Ralph L. Westfall. Marketing Research: Text and Cases. 7th ed. AITBS Publishers, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.