Gaya APA

Business essentials / Ronald J. Ebert ; Ricky W. Griffin. (2000). Upper Saddle River, NJ: Prentice-Hall, c.

Gaya MLA

Business essentials / Ronald J. Ebert ; Ricky W. Griffin. 2nd ed.. Upper Saddle River, NJ: Prentice-Hall, c, 2000. Buku Wajib.