Gaya APA
Koop, Gary. (2009).
Analysis of Economic Data (Third Edition) (Third Edition).
England:
John Wiley & Sons, Inc..
Gaya Chicago
Koop, Gary.
Analysis of Economic Data (Third Edition).
Third Edition
England:
John Wiley & Sons, Inc.,
2009.
Text.
Gaya MLA
Koop, Gary.
Analysis of Economic Data (Third Edition).
Third Edition
England:
John Wiley & Sons, Inc.,
2009.
Text.
Gaya Turabian
Koop, Gary.
Analysis of Economic Data (Third Edition).
Third Edition
England:
John Wiley & Sons, Inc.,
2009.
Print.