Parker, D. W. H. (1931). Human values: An interpretation of ethics based on a study of values. Wahr.
Cita Chicago Style (17a ed.)Parker, De Witt Henry. Human Values: An Interpretation of Ethics Based on a Study of Values. Ann Arbor, Michigan: Wahr, 1931.
Cita MLA (9a ed.)Parker, De Witt Henry. Human Values: An Interpretation of Ethics Based on a Study of Values. Wahr, 1931.
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