Gaya APA
HANSEN,Olaf C. (1951).
Guide to World Business .
California:
Csaravel Press.
Gaya Chicago
HANSEN,Olaf C.
Guide to World Business.
California:
Csaravel Press,
1951.
Teks.
Gaya MLA
HANSEN,Olaf C.
Guide to World Business.
California:
Csaravel Press,
1951.
Teks.
Gaya Turabian
HANSEN,Olaf C.
Guide to World Business.
California:
Csaravel Press,
1951.
Teks.