Kumar, V. (1999). Essentials of marketing research. New York: John Wiley and Sons.
Chicago-stil citatKumar, V. Essentials of Marketing Research. New York: John Wiley and Sons, 1999.
MLA-referensKumar, V. Essentials of Marketing Research. New York: John Wiley and Sons, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.