Gaya APA

Business / Ricky W. Griffin ; Ronald J. Ebert. (2002). Upper Saddle River, NJ: Prentice-Hall, c.

Gaya MLA

Business / Ricky W. Griffin ; Ronald J. Ebert. 6th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 2002. Buku Wajib.