Dyfyniad APA
Ruggiero, V. R. (2008). Thinking critically about ethical issues (7th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. Avenue of the Americas: McGraw-Hill, 2008.
Dyfyniad MLA
Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 7th ed. McGraw-Hill, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.