Gaya APA

Donaldson, T., Werhane, P, H. (1993). Ethical Issues in Business: A Philosophical Approach 4th Ed (4th Ed). United Stated of America: Prentice Hall.

Gaya MLA

Donaldson, Thomas., Werhane, Patricia, H. "Ethical Issues in Business: A Philosophical Approach 4th Ed". 4th Ed United Stated of America: Prentice Hall, 1993. Text.