एपीए उद्धरण

Gupta, P. K. (1986). Pesticides in the Indian environment.

शिकागो स्टाइल उद्धरण

Gupta, P K. Pesticides in the Indian Environment. Interprint Publications, New Delhi, 1986.

एमएलए उद्धरण

Gupta, P K. Pesticides in the Indian Environment. 1986.