Gaya APA
Kotter, Jonhn P. (1987).
General manager .
Jakarta:
Erlangga.
Gaya Chicago
Kotter, Jonhn P.
General manager.
Jakarta:
Erlangga,
1987.
Text.
Gaya MLA
Kotter, Jonhn P.
General manager.
Jakarta:
Erlangga,
1987.
Text.
Gaya Turabian
Kotter, Jonhn P.
General manager.
Jakarta:
Erlangga,
1987.
Print.