एपीए उद्धरण

Ostring, P. (2008). Profit focussed supplier management. Prentice Hall of India.

शिकागो स्टाइल उद्धरण

Ostring, Pirkko. Profit Focussed Supplier Management. New Delhi: Prentice Hall of India, 2008.

एमएलए उद्धरण

Ostring, Pirkko. Profit Focussed Supplier Management. Prentice Hall of India, 2008.