APA aipamena

 Ruggiero, V. R. (2012).  Thinking critically about ethical issues.  McGraw-Hill.

Chicago Style aipamena

 Ruggiero, Vincent Ryan.  Thinking Critically About Ethical Issues.  McGraw-Hill, 2012.

MLA aipamena

 Ruggiero, Vincent Ryan.  Thinking Critically About Ethical Issues.  McGraw-Hill, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.