APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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