Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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