एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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