एपीए उद्धरण

Harmeet ,singh. (2005). Dairy farming. A P H publishing corparation.

शिकागो स्टाइल उद्धरण

Harmeet ,singh. Dairy Farming. New Delhi: A P H publishing corparation, 2005.

एमएलए उद्धरण

Harmeet ,singh. Dairy Farming. A P H publishing corparation, 2005.