Style de citation APA

(2000). World Resousces, 1990 - 91: People and Ecosystems : the fraying web of life. Washington, D.C: World Resources Institute.

Style de citation Chicago

World Resousces, 1990 - 91: People and Ecosystems : The Fraying Web of Life. Washington, D.C: World Resources Institute, 2000.

Style de citation MLA

World Resousces, 1990 - 91: People and Ecosystems : The Fraying Web of Life. Washington, D.C: World Resources Institute, 2000.

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