Style de citation APA

Karpagam, M. (2006). Environmental economics: A text book. Sterling publishers.

Style de citation Chicago

Karpagam, M. Environmental Economics: A Text Book. New Delhi: Sterling publishers, 2006.

Style de citation MLA

Karpagam, M. Environmental Economics: A Text Book. Sterling publishers, 2006.

Attention : ces citations peuvent ne pas être correctes à 100%.