Cita APA

Kumar, V. (1999). Essentials of marketing research. New York: John Wiley and Sons.

Chicago Style Citation

Kumar, V. Essentials of Marketing Research. New York: John Wiley and Sons, 1999.

Cita MLA

Kumar, V. Essentials of Marketing Research. New York: John Wiley and Sons, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.