APA-čujuhus (7. p.)

Ruggiero, V. R. (2003). Thinking critically about ethical issues (6th ed.). McGraw - Hill.

Chicago-čujuhus (17. p.)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 6th ed. Boston: McGraw - Hill, 2003.

MLA-čujuhus (9. p.)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 6th ed. McGraw - Hill, 2003.

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