Gaya APA
Gujarati, D, N., Porter, D, C.
(2010).
Essentials Of Economitrics
(
4th ed)
.
New York:
Mc Graw Hill.
Gaya MLA
Gujarati, Damodar, N.., Porter, Dawn, C..
"Essentials Of Economitrics".
4th ed
New York:
Mc Graw Hill,
2010.
Text.