Gaya APA

GUJARATI, D, N., PORTER, D, C. (2009). BASIC ECONOMETRICS FIFTH EDITION (FIFTH EDITION). NEW YORK: MC GRAW HILL EDUCATION.

Gaya MLA

GUJARATI, DAMODAR, N., PORTER, DAWN, C. "BASIC ECONOMETRICS FIFTH EDITION". FIFTH EDITION NEW YORK: MC GRAW HILL EDUCATION, 2009. Text.