APA Alıntı

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

Chicago Stili Alıntı

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

MLA Alıntı

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