Gaya APA

Barbour, I, G. (2001). Western Man And Environmental Ethics ; Attitudes Toward Nature And Technology (Trawas) . California: Addison-Wesley Publishing Company.

Gaya MLA

Barbour, Ian, G.. "Western Man And Environmental Ethics ; Attitudes Toward Nature And Technology (Trawas)". California: Addison-Wesley Publishing Company, 2001. Text.