Gaya APA
SUPERVISORY MANAGEMENT. (1981).
Canada:
Wiley.
Gaya Chicago
SUPERVISORY MANAGEMENT.
Ed.2.
Canada:
Wiley,
1981.
REFERENSI.
Gaya MLA
SUPERVISORY MANAGEMENT.
Ed.2.
Canada:
Wiley,
1981.
REFERENSI.
Gaya Turabian
SUPERVISORY MANAGEMENT.
Canada:
Wiley,
1981.
REFERENSI.