APA-referens

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

Chicago-stil citat

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

MLA-referens

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