APA

Barreto H., Howland F. M., . (2009). Introductory econometrics. New Delhi: Cambridge University Press.

Chicago

Barreto Humberto, Howland Frank M, . 2009. Introductory econometrics. New Delhi: Cambridge University Press.

Harvard

Barreto H., Howland F. M., . (2009). Introductory econometrics. New Delhi: Cambridge University Press.

MLA

Barreto Humberto, Howland Frank M, . Introductory econometrics. New Delhi: Cambridge University Press. 2009.