एपीए उद्धरण

Sagwal, S. S. (2016). Introductory forestry. Kalyani Publishers.

शिकागो स्टाइल उद्धरण

Sagwal, S S. Introductory Forestry. Ludhiana: Kalyani Publishers, 2016.

एमएलए उद्धरण

Sagwal, S S. Introductory Forestry. Kalyani Publishers, 2016.