Style de citation APA

Karpagam,M. (1991). Environmental economics: A text book. Sterling Publishers Pvt. Ltd.

Style de citation Chicago

Karpagam,M. Environmental Economics: A Text Book. New Delhi: Sterling Publishers Pvt. Ltd, 1991.

Style de citation MLA

Karpagam,M. Environmental Economics: A Text Book. Sterling Publishers Pvt. Ltd, 1991.

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