एपीए उद्धरण

Subramanian, V. (2002). A texbook in environmental science. New Delhi: Alpha Science International.

शिकागो स्टाइल उद्धरण

Subramanian, V. A Texbook in Environmental Science. New Delhi: Alpha Science International, 2002.

एमएलए उद्धरण

Subramanian, V. A Texbook in Environmental Science. New Delhi: Alpha Science International, 2002.