एपीए उद्धरण

BPP Learning media. (2009). Business environment. Viva books.

शिकागो स्टाइल उद्धरण

BPP Learning media. Business Environment. New Delhi: Viva books, 2009.

एमएलए उद्धरण

BPP Learning media. Business Environment. Viva books, 2009.