Gaya APA
Introduction to Business. (2008).
Australia:
South-Western.
Gaya Chicago
Introduction to Business.
.
Australia:
South-Western,
2008.
Buku.
Gaya MLA
Introduction to Business.
.
Australia:
South-Western,
2008.
Buku.
Gaya Turabian
Introduction to Business.
Australia:
South-Western,
2008.
Buku.