Gaya APA
Douglas, E.
(1995).
Managerial Economics Anaysis and Strategy
(
Fourt Edition)
.
Sebastopol, CA:
Prentice Hall.
Gaya MLA
Douglas, Evan.J..
"Managerial Economics Anaysis and Strategy".
Fourt Edition
Sebastopol, CA:
Prentice Hall,
1995.
Text.