APA Citation

Palmer, D., & text and illustrations by Donald Palmer. (2006). Why it's hard to be good: An introduction to ethical theory. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Palmer, Donald, và text and illustrations by Donald Palmer. Why It's Hard to Be Good: An Introduction to Ethical Theory. Boston: McGraw-Hill, 2006.

MLA Citation

Palmer, Donald, và text and illustrations by Donald Palmer. Why It's Hard to Be Good: An Introduction to Ethical Theory. Boston: McGraw-Hill, 2006.

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