APA (7th ed.) Zitazioa

Sharma, H. C. (1994). Environmental pollution compliance. C.B.S.

Chicago Style (17th ed.) Zitazioa

Sharma, Harish Chandra. Environmental Pollution Compliance. Delhi: C.B.S, 1994.

MLA (9th ed.) Zitazioa

Sharma, Harish Chandra. Environmental Pollution Compliance. C.B.S, 1994.