एपीए उद्धरण

Clarke, D. (1978). How it works encyclopedia of great investors and discoveries. Marshall Cavendish.

शिकागो स्टाइल उद्धरण

Clarke, Donald. How It Works Encyclopedia of Great Investors and Discoveries. London: Marshall Cavendish, 1978.

एमएलए उद्धरण

Clarke, Donald. How It Works Encyclopedia of Great Investors and Discoveries. Marshall Cavendish, 1978.