APA-ийн эшлэл(7 дахь хэвлэлт)

Ruggiero, V. R. (2003). Thinking critically about ethical issues (6th ed.). McGraw - Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 6th ed. Boston: McGraw - Hill, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 6th ed. McGraw - Hill, 2003.