APA-viite (7. p.)
Levinson, H. (1968). The exceptional executive: A psychological conception. New American Library.
Chicago-viite (17. p.)
Levinson, Harry. The Exceptional Executive: A Psychological Conception. New York: New American Library, 1968.
MLA-viite (9. p.)
Levinson, Harry. The Exceptional Executive: A Psychological Conception. New American Library, 1968.
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