एपीए उद्धरण

Patel, B. P. (1968). Indian field crops. Atul Prakashan.

शिकागो स्टाइल उद्धरण

Patel, B P. Indian Field Crops. Gujarat: Atul Prakashan, 1968.

एमएलए उद्धरण

Patel, B P. Indian Field Crops. Atul Prakashan, 1968.