Citazione Stile APA (7a Edizione)

Hurtley, K. (1976). Problem of economic policy. University of York.

Citazione stile Chigago Style (17a edizione)

Hurtley, Keita. Problem of Economic Policy. Britain: University of York, 1976.

Citatione MLA (9a ed.)

Hurtley, Keita. Problem of Economic Policy. University of York, 1976.