एपीए उद्धरण

Walker, O. C. (2006). Marketing strategy (5th ed.). Tata McGraw Hill.

शिकागो स्टाइल उद्धरण

Walker, Orville C. Marketing Strategy. 5th ed. New Delhi: Tata McGraw Hill, 2006.

एमएलए उद्धरण

Walker, Orville C. Marketing Strategy. 5th ed. Tata McGraw Hill, 2006.