Sharma, H. C. (1994). Environmental pollution compliance. C.B.S.
Cita Chicago Style (17a ed.)Sharma, Harish Chandra. Environmental Pollution Compliance. Delhi: C.B.S, 1994.
Cita MLA (9a ed.)Sharma, Harish Chandra. Environmental Pollution Compliance. C.B.S, 1994.
Precaución: Estas citas no son 100% exactas.