APA-referens

Sharma, H. (2004). Ozone depletion and environmental impacts. Pointer.

Chicago-stil citat

Sharma, H.S. Ozone Depletion and Environmental Impacts. Jaipur: Pointer, 2004.

MLA-referens

Sharma, H.S. Ozone Depletion and Environmental Impacts. Pointer, 2004.