Ruggiero, V. R. (2012). Beyond feelings: A guide to critical thinking (9th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 9th ed. New York: McGraw-Hill, 2012.
Cita MLA (9th ed.)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 9th ed. McGraw-Hill, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.