Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.