Parker, D. W. H. (1931). Human values: An interpretation of ethics based on a study of values. Wahr.
芝加哥风格引文Parker, De Witt Henry. Human Values: An Interpretation of Ethics Based on a Study of Values. Ann Arbor, Michigan: Wahr, 1931.
MLA引文Parker, De Witt Henry. Human Values: An Interpretation of Ethics Based on a Study of Values. Wahr, 1931.
警告：这些引文格式不一定是100％准确.