Παραπομπή APA

McKenna, J. P. (1965). Intermediate economic theory. Holt RImnehart and Winston.

Παραπομπή Chicago Style

McKenna, Joseph P. Intermediate Economic Theory. New York: Holt RImnehart and Winston, 1965.

Παραπομπή MLA

McKenna, Joseph P. Intermediate Economic Theory. Holt RImnehart and Winston, 1965.