Ruggiero, V. R. (2011). Thinking critically about ethical issues. New York: McGraw Hill.
Čikaški stil citiranjaRuggiero, Vincent Ryan. Thinking Critically About Ethical Issues. New York: McGraw Hill, 2011.
MLA način citiranjaRuggiero, Vincent Ryan. Thinking Critically About Ethical Issues. New York: McGraw Hill, 2011.
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