Παραπομπή APA

Walters, A. (1968). Introduction to econometrics. Macmillan company.

Παραπομπή Chicago Style

Walters, A.A. Introduction to Econometrics. London: Macmillan company, 1968.

Παραπομπή MLA

Walters, A.A. Introduction to Econometrics. Macmillan company, 1968.