Dyfyniad APA

Gujarati, D. N., & Porter, D. C. S. g. (2012). Basic econometrics (5.). Tata mcgraw hill education pvt ltd.

Dyfyniad Arddull Chicago

Gujarati, Damaodar N., and Dawn C Sangeetha gunasekar Porter. Basic Econometrics. 5. New Delhi: Tata mcgraw hill education pvt ltd, 2012.

Dyfyniad MLA

Gujarati, Damaodar N., and Dawn C Sangeetha gunasekar Porter. Basic Econometrics. 5. Tata mcgraw hill education pvt ltd, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.