Dyfyniad APA

Subramanian, S. (1977). Bio-gas systems in Asia. Development Insititute.

Dyfyniad Arddull Chicago

Subramanian, S.K. Bio-gas Systems in Asia. New Delhi: Development Insititute, 1977.

Dyfyniad MLA

Subramanian, S.K. Bio-gas Systems in Asia. Development Insititute, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.