Gaya APA
Velassquez, M, G.
(2006).
Business ethics : conscept and cases ed. 6
(
6)
.
Singapura:
Pearson Prentice hall.
Gaya MLA
Velassquez, Manuel, G.
"Business ethics : conscept and cases ed. 6".
6
Singapura:
Pearson Prentice hall,
2006.
Text.