Singh, R. B. (1974). Bio-gas plant: Generating methane from organic wastes. Gobar Gas Research Station.
Chicago Style (17th ed.) CitationSingh, Ram Bux. Bio-gas Plant: Generating Methane from Organic Wastes. Ajitmal, Etawah: Gobar Gas Research Station, 1974.
Cita MLASingh, Ram Bux. Bio-gas Plant: Generating Methane from Organic Wastes. Gobar Gas Research Station, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.