APA-referens

Ashok Kumar, N. (1988). Economics of Bio-Gas Evaluation. The Times Research Foundation.

Chicago-stil citat

Ashok Kumar, N. Economics of Bio-Gas Evaluation. Pune: The Times Research Foundation, 1988.

MLA-referens

Ashok Kumar, N. Economics of Bio-Gas Evaluation. The Times Research Foundation, 1988.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.