Cita APA

Sengar,K.S, & Chauhan,G.S. (2012). Global Environment: Issues and problems. L.G.Publishers.

Chicago Edition Citation

Sengar,K.S, i Chauhan,G.S. Global Environment: Issues and Problems. Delhi: L.G.Publishers, 2012.

Cita MLA

Sengar,K.S, i Chauhan,G.S. Global Environment: Issues and Problems. L.G.Publishers, 2012.