एपीए उद्धरण

Pushpendra,Karhana K. Agriculture science: A complete study package. Arihant publications (India) limited.

शिकागो स्टाइल उद्धरण

Pushpendra,Karhana K. Agriculture Science: A Complete Study Package. Meerut: Arihant publications (India) limited.

एमएलए उद्धरण

Pushpendra,Karhana K. Agriculture Science: A Complete Study Package. Arihant publications (India) limited.