APA-referens (7:e uppl.)
Ruggiero, V. R. (2008). Thinking critically about ethical issues (7th ed.). McGraw-Hill.
Chicago-referens (17:e uppl.)
Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. Avenue of the Americas: McGraw-Hill, 2008.
MLA-referens (9:e uppl.)
Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. McGraw-Hill, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.