Ruggiero, V. R. (2003). Beyond feelings: A guide to critical thinking (7th ed.). McGraw - Hill.
Čikaški stil citiranja (17. izdanje)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 7th ed. Boston: McGraw - Hill, 2003.
MLA način citiranja (9. izdanje)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 7th ed. McGraw - Hill, 2003.
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