एपीए उद्धरण

Zee, A. (1982). Unity of forces in the universe. Singapore: World Scientific.

शिकागो स्टाइल उद्धरण

Zee, A. Unity of Forces in the Universe. Singapore: World Scientific, 1982.

एमएलए उद्धरण

Zee, A. Unity of Forces in the Universe. Singapore: World Scientific, 1982.