Ruggiero, V. R. (1992). Thinking critically about ethical issues (3rd ed.). Mayfield.
Chicagoスタイル(17版)引用形式Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mountain View, Calif.: Mayfield, 1992.
MLA(8版)引用形式Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mayfield, 1992.
警告: この引用は必ずしも正確ではありません.