Gaya APA
Gujarati, D, N.
(2006).
Essentials of econometrics
(
3 rd editon International editon)
.
New York:
McGraw-Hill.
Gaya MLA
Gujarati, Damodar, N..
"Essentials of econometrics".
3 rd editon International editon
New York:
McGraw-Hill,
2006.
Text.