Gaya APA
Petersen, H, C., Lewis, W, C.
(1998).
Managerial economics
(
4th ed)
.
Upper Saddle River, NJ:
Prentice Hall.
Gaya MLA
Petersen, H., Craig., Lewis, W., Cris.
"Managerial economics".
4th ed
Upper Saddle River, NJ:
Prentice Hall,
1998.
Text.