Piper, T. R., Gentile, M. C., & Parks, S. D. (1993). Can ethics be taught?: Perspectives, challenges, and approaches at Harvard Business School. Harvard Business School.
Lua i Stíl Chicago (17ú heag.)Piper, Thomas R., Mary C. Gentile, agus Sharon Daloz Parks. Can Ethics Be Taught?: Perspectives, Challenges, and Approaches at Harvard Business School. Boston, Mass.: Harvard Business School, 1993.
Lua MLA (8ú heag.)Piper, Thomas R., et al. Can Ethics Be Taught?: Perspectives, Challenges, and Approaches at Harvard Business School. Harvard Business School, 1993.
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