एपीए उद्धरण

Premjit Sharma. (2007). Contract Farming. Gene Tech Books.

शिकागो स्टाइल उद्धरण

Premjit Sharma. Contract Farming. New Delhi: Gene Tech Books, 2007.

एमएलए उद्धरण

Premjit Sharma. Contract Farming. Gene Tech Books, 2007.