Ruggiero, V. R. (2008). Beyond feelings: A guide to critical thinking (8th ed.). McGraw-Hill Higher Education.
Citazione stile Chigago Style (17a edizione)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 8th ed. Boston: McGraw-Hill Higher Education, 2008.
Citatione MLA (9a ed.)Ruggiero, Vincent Ryan. Beyond Feelings: A Guide to Critical Thinking. 8th ed. McGraw-Hill Higher Education, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.