Ruggiero, V. R. (1973). The moral imperative: An introduction to ethical judgment, with contemporary issues for analysis. [Port Washington, N.Y.]: Alfred Pub. Co..
Чикагска система за цитиранеRuggiero, Vincent Ryan. The Moral Imperative: An Introduction to Ethical Judgment, With Contemporary Issues for Analysis. [Port Washington, N.Y.]: Alfred Pub. Co., 1973.
MLA формат за цитиранеRuggiero, Vincent Ryan. The Moral Imperative: An Introduction to Ethical Judgment, With Contemporary Issues for Analysis. [Port Washington, N.Y.]: Alfred Pub. Co., 1973.
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