Dyfyniad APA

Kasperson,Jeanne X, & Kasperson,Roger. (2003). Global environmental risk. United Nations Univeristy Pres.

Dyfyniad Arddull Chicago

Kasperson,Jeanne X, and Kasperson,Roger. Global Environmental Risk. Tokyo: United Nations Univeristy Pres, 2003.

Dyfyniad MLA

Kasperson,Jeanne X, and Kasperson,Roger. Global Environmental Risk. United Nations Univeristy Pres, 2003.

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