एपीए उद्धरण

Ghildyal, B. P. (1987). Soil physics. Wiley Eastern Limited.

शिकागो स्टाइल उद्धरण

Ghildyal, B P. Soil Physics. New Delhi: Wiley Eastern Limited, 1987.

एमएलए उद्धरण

Ghildyal, B P. Soil Physics. Wiley Eastern Limited, 1987.