william K Frankena. (1982). Ethics (2.). New delhi.
Chicago Edition Citationwilliam K Frankena. Ethics. 2. New delhi, 1982.
MLA引文william K Frankena. Ethics. 2. New delhi, 1982.
警告：這些引文格式不一定是100％准確.
APA引文
william K Frankena. (1982). Ethics (2.). New delhi.
Chicago Edition Citationwilliam K Frankena. Ethics. 2. New delhi, 1982.
MLA引文william K Frankena. Ethics. 2. New delhi, 1982.