Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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