एपीए उद्धरण

Parameshwar Singh. (2017). Agro-toxicology and eco-system management. Oxford Book Company.

शिकागो स्टाइल उद्धरण

Parameshwar Singh. Agro-toxicology and Eco-system Management. New Delhi: Oxford Book Company, 2017.

एमएलए उद्धरण

Parameshwar Singh. Agro-toxicology and Eco-system Management. Oxford Book Company, 2017.