Cita APA (7th ed.)

Sharma, P. D. (2005). Environmental microbiology. Alpha Science International.

Cita Chicago (17th ed.)

Sharma, P. D. Environmental Microbiology. Harrow, U.K: Alpha Science International, 2005.

Cita MLA (8th ed.)

Sharma, P. D. Environmental Microbiology. Alpha Science International, 2005.