Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.