APA (7th ed.) Zitazioa

HUTCHISON, T. (1964). Positive' economics and policy objectives. Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

HUTCHISON, T.W. Positive' Economics and Policy Objectives. London: Allen & Unwin, 1964.

MLA (9th ed.) Zitazioa

HUTCHISON, T.W. Positive' Economics and Policy Objectives. Allen & Unwin, 1964.