Gaya APA
Essentials of management. (1990).
Yogyakarta:
Nuha Medika.
Gaya Chicago
Essentials of management.
Fifth Edition.
Yogyakarta:
Nuha Medika,
1990.
Text.
Gaya MLA
Essentials of management.
Fifth Edition.
Yogyakarta:
Nuha Medika,
1990.
Text.
Gaya Turabian
Essentials of management.
Yogyakarta:
Nuha Medika,
1990.
Print.