एपीए उद्धरण

Uthappa A R. (2015). Competitive forestry. New Vishal Publications.

शिकागो स्टाइल उद्धरण

Uthappa A R. Competitive Forestry. New Delhi: New Vishal Publications, 2015.

एमएलए उद्धरण

Uthappa A R. Competitive Forestry. New Vishal Publications, 2015.