Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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