Gaya APA
L., M, J.
(1979).
Essentials of Management
(
Cetakan Pertama)
.
Englewood:
Prentice Hall, Inc.
Gaya MLA
L., Massie, Joseph.
"Essentials of Management".
Cetakan Pertama
Englewood:
Prentice Hall, Inc,
1979.
Text.