एपीए उद्धरण

Singh B.S. (2009). Essentials of supply chain management. Pearl books.

शिकागो स्टाइल उद्धरण

Singh B.S. Essentials of Supply Chain Management. New Delhi: Pearl books, 2009.

एमएलए उद्धरण

Singh B.S. Essentials of Supply Chain Management. Pearl books, 2009.