एपीए उद्धरण

Atul Nayak. (2008). Fundamentals of marketing. Excel Books.

शिकागो स्टाइल उद्धरण

Atul Nayak. Fundamentals of Marketing. New Delhi: Excel Books, 2008.

एमएलए उद्धरण

Atul Nayak. Fundamentals of Marketing. Excel Books, 2008.