एपीए उद्धरण

Gribbin, J. (1998). Watching the Universe. Universities Press(India) Ltd.

शिकागो स्टाइल उद्धरण

Gribbin, John. Watching the Universe. Hyderabad: Universities Press(India) Ltd, 1998.

एमएलए उद्धरण

Gribbin, John. Watching the Universe. Universities Press(India) Ltd, 1998.