Cita APA

Singh,R.P, & Zubairul Islam. (2012). Environmental studies. Concept Publishing Co.Pvt Ltd.

Citación estilo Chicago

Singh,R.P, and Zubairul Islam. Environmental Studies. New Delhi: Concept Publishing Co.Pvt Ltd, 2012.

Cita MLA

Singh,R.P, and Zubairul Islam. Environmental Studies. Concept Publishing Co.Pvt Ltd, 2012.

Warning: These citations may not always be 100% accurate.