Watt, W. A. (1901). A study of social morality. T. & T. Clark.
Lua i Stíl Chicago (17ú heag.)Watt, W. A. A Study of Social Morality. Edinburgh: T. & T. Clark, 1901.
Lua MLA (8ú heag.)Watt, W. A. A Study of Social Morality. T. & T. Clark, 1901.
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