Gaya APA
Colberg, M. (1966).
Business Economics ; Principles and Cases (Edisi 3 ; Cetakan 3).
North America:
Homewood, Illinois.
Gaya MLA
Colberg, Marshall.
"Business Economics ; Principles and Cases".
Edisi 3 ; Cetakan 3
North America:
Homewood, Illinois,
1966.
FE-Manajemen.