Citazione APA

Arvind Kumar & Verma, M. (2009). Environmental pollution and health hazards. A P H Publishing Corporation.

Stile di citazione Chicago

Arvind Kumar e M.C Verma. Environmental Pollution and Health Hazards. New Delhi: A P H Publishing Corporation, 2009.

Citazione MLA

Arvind Kumar e M.C Verma. Environmental Pollution and Health Hazards. A P H Publishing Corporation, 2009.