एपीए उद्धरण

Dhruv Grewal, & Dhruv Grewal; Michael Levy. (2010). Marketing. Boston: McGraw-Hill Irwin.

शिकागो स्टाइल उद्धरण

Dhruv Grewal, और Dhruv Grewal; Michael Levy. Marketing. Boston: McGraw-Hill Irwin, 2010.

एमएलए उद्धरण

Dhruv Grewal, और Dhruv Grewal; Michael Levy. Marketing. Boston: McGraw-Hill Irwin, 2010.