Gaya APA

Cheeseman, H, R. (2001). Business law: ethical, international, & e-commerce environment (4th ed.). New Jersey: Prentice - Hall.

Gaya MLA

Cheeseman, Henry, R.. "Business law: ethical, international, & e-commerce environment". 4th ed. New Jersey: Prentice - Hall, 2001. Buku.