Gaya APA
Cheeseman, H, R. (2004).
Bussiness Law: Legal, E-Cannerse, Ethical, and International Environments .
New Jersey:
Upper Saddle River.
Gaya MLA
Cheeseman, Henry, R..
"Bussiness Law: Legal, E-Cannerse, Ethical, and International Environments".
New Jersey:
Upper Saddle River,
2004.
Buku.