एपीए उद्धरण

Verma, G. (2012). Economics of scope. Pearl Books.

शिकागो स्टाइल उद्धरण

Verma, G.P. Economics of Scope. New Delhi: Pearl Books, 2012.

एमएलए उद्धरण

Verma, G.P. Economics of Scope. Pearl Books, 2012.