Παραπομπή APA

Maddison, A. (1970). Economic progress and policy in developing countries. Allen & Unwin.

Παραπομπή Chicago Style

Maddison, Angus. Economic Progress and Policy in Developing Countries. London: Allen & Unwin, 1970.

Παραπομπή MLA

Maddison, Angus. Economic Progress and Policy in Developing Countries. Allen & Unwin, 1970.