एपीए उद्धरण

Walker, O. (2010). Marketing strategy: A decision-focused approach. New York: McGraw-Hill Education.

शिकागो स्टाइल उद्धरण

Walker, Orville. Marketing Strategy: A Decision-focused Approach. New York: McGraw-Hill Education, 2010.

एमएलए उद्धरण

Walker, Orville. Marketing Strategy: A Decision-focused Approach. New York: McGraw-Hill Education, 2010.