Gaya APA
Douglas, Evan J, Callan, Scott. (1995).
Managerial economics: analysis and strategy (4th edition).
Singapore:
Prentice Hall International.
Gaya Chicago
Douglas, Evan J, Callan, Scott.
Managerial economics: analysis and strategy.
4th edition
Singapore:
Prentice Hall International,
1995.
Text.
Gaya MLA
Douglas, Evan J, Callan, Scott.
Managerial economics: analysis and strategy.
4th edition
Singapore:
Prentice Hall International,
1995.
Text.
Gaya Turabian
Douglas, Evan J, Callan, Scott.
Managerial economics: analysis and strategy.
4th edition
Singapore:
Prentice Hall International,
1995.
Print.