एपीए उद्धरण

Lansdown, R. J. (1982). Business graphics. Pergamon Infotech.

शिकागो स्टाइल उद्धरण

Lansdown, R J. Business Graphics. England: Pergamon Infotech, 1982.

एमएलए उद्धरण

Lansdown, R J. Business Graphics. Pergamon Infotech, 1982.