APA-referens (7:e uppl.)

Ruggiero, V. R. (1992). Thinking critically about ethical issues (3rd ed.). Mayfield.

Chicago-referens (17:e uppl.)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mountain View, Calif.: Mayfield, 1992.

MLA-referens (8:e uppl.)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mayfield, 1992.