APA-viite (7. p.)
Frohman, D., & Howard, R. (2008). Leadership the hard way: Why leadership can't be taught and how you can learn it anyway. Jossey-Bass.
Chicago-viite (17. p.)
Frohman, Dov, ja Robert Howard. Leadership the Hard Way: Why Leadership Can't Be Taught and How You Can Learn It Anyway. San Francisco, CA: Jossey-Bass, 2008.
MLA-viite (9. p.)
Frohman, Dov, ja Robert Howard. Leadership the Hard Way: Why Leadership Can't Be Taught and How You Can Learn It Anyway. Jossey-Bass, 2008.
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