Gaya APA
Levinson, Harry.. (1968).
The exceptional executive : a psychological conception .
Amerika:
Mentor.
Gaya Chicago
Levinson, Harry..
The exceptional executive : a psychological conception.
Amerika:
Mentor,
1968.
Text.
Gaya MLA
Levinson, Harry..
The exceptional executive : a psychological conception.
Amerika:
Mentor,
1968.
Text.
Gaya Turabian
Levinson, Harry..
The exceptional executive : a psychological conception.
Amerika:
Mentor,
1968.
Print.