APA-viite (7. p.)
Felber, R. (2011). Presidential lessons in leadership: What executives (and everybody else) can learn from six great American presidents. Hamilton Books.
Chicago-viite (17. p.)
Felber, Ron. Presidential Lessons in Leadership: What Executives (and Everybody Else) Can Learn from Six Great American Presidents. Lanham, MD: Hamilton Books, 2011.
MLA-viite (9. p.)
Felber, Ron. Presidential Lessons in Leadership: What Executives (and Everybody Else) Can Learn from Six Great American Presidents. Hamilton Books, 2011.
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