Gaya APA
Griffin, R, W., Ebert, R, J.
(1998).
Business essentials ed.2
(
2)
.
Boston:
Prentice Hall International.
Gaya MLA
Griffin, Ricky, W., Ebert, Ronald, J.
"Business essentials ed.2".
2
Boston:
Prentice Hall International,
1998.
Text.