Style de citation APA

Covington, G. (2010). International encyclopedia of sustainable development. Apple academic.

Style de citation Chicago

Covington, Gareth. International Encyclopedia of Sustainable Development. Oakville: Apple academic, 2010.

Style de citation MLA

Covington, Gareth. International Encyclopedia of Sustainable Development. Apple academic, 2010.

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