Gaya APA
Douglas, Evan J.. (1992).
Managerial Economics : Analysis and Strategy 4th Edition (4).
London:
Prentice-Hall International.
Gaya Chicago
Douglas, Evan J..
Managerial Economics : Analysis and Strategy 4th Edition.
4
London:
Prentice-Hall International,
1992.
Text.
Gaya MLA
Douglas, Evan J..
Managerial Economics : Analysis and Strategy 4th Edition.
4
London:
Prentice-Hall International,
1992.
Text.
Gaya Turabian
Douglas, Evan J..
Managerial Economics : Analysis and Strategy 4th Edition.
4
London:
Prentice-Hall International,
1992.
Print.