एपीए उद्धरण

Gulia, K. (2007). Ecology and environment in the Himalayas. Isha Books.

शिकागो स्टाइल उद्धरण

Gulia, K.S. Ecology and Environment in the Himalayas. Delhi: Isha Books, 2007.

एमएलए उद्धरण

Gulia, K.S. Ecology and Environment in the Himalayas. Isha Books, 2007.