Dyfyniad APA

Wallace, A. R. (1913). Social environment and moral progress. Cassell and Co..

Dyfyniad Arddull Chicago

Wallace, Alfred Russel. Social Environment and Moral Progress. London, New York [etc.]: Cassell and Co., 1913.

Dyfyniad MLA

Wallace, Alfred Russel. Social Environment and Moral Progress. Cassell and Co., 1913.

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