Ruggiero, V. R. (2008). Thinking critically about ethical issues (7th ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. Boston: McGraw-Hill, 2008.
MLA način citiranja (9. izdanje)Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. McGraw-Hill, 2008.
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