Barbour, I. G. (1973). Western man and environmental ethics: Attitudes toward nature and technology. Massachusetts: Addison-Wesley Publishing Company.
Παραπομπή Chicago StyleBarbour, Ian G. Western Man and Environmental Ethics: Attitudes Toward Nature and Technology. Massachusetts: Addison-Wesley Publishing Company, 1973.
Παραπομπή MLABarbour, Ian G. Western Man and Environmental Ethics: Attitudes Toward Nature and Technology. Massachusetts: Addison-Wesley Publishing Company, 1973.
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