Gaya APA
EBERT, R, J., GRIFFIN, R, W.
(2013).
Business essentials
(
9th ed.)
.
Boston:
Pearson.
Gaya MLA
EBERT, Ronald, J., GRIFFIN, Ricky, W..
"Business essentials".
9th ed.
Boston:
Pearson,
2013.
Buku.