Gaya APA
Ronald, J., Rickey, W, G.
(2000).
Business Essentials
(
ed.3)
.
London:
Printice-Hall International.
Gaya MLA
Ronald, J.ebert., Rickey, W., Griffin.
"Business Essentials".
ed.3
London:
Printice-Hall International,
2000.
Text.