एपीए उद्धरण

Kochhar, S. (1979). Teaching of history (2nd ed.). Sterling.

शिकागो स्टाइल उद्धरण

Kochhar, Sk. Teaching of History. 2nd ed. Sterling, 1979.

एमएलए उद्धरण

Kochhar, Sk. Teaching of History. 2nd ed. Sterling, 1979.