Dyfyniad APA

Trigg,Roger. (1988). Ideas of human nature: An historical introduction. Blackwell Publishers.

Dyfyniad Arddull Chicago

Trigg,Roger. Ideas of Human Nature: An Historical Introduction. Oxford: Blackwell Publishers, 1988.

Dyfyniad MLA

Trigg,Roger. Ideas of Human Nature: An Historical Introduction. Blackwell Publishers, 1988.

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