The Norwegian Institute of International Affairs. (1963). Economics of Planning: Theory and practice of centrally planned economies and their relations with market economies. The Norwegian Institute of International Affairs.
Cytowanie według stylu Chicago (wyd. 17)The Norwegian Institute of International Affairs. Economics of Planning: Theory and Practice of Centrally Planned Economies and Their Relations with Market Economies. Oslo: The Norwegian Institute of International Affairs, 1963.
Cytowanie według stylu MLA (wyd. 9)The Norwegian Institute of International Affairs. Economics of Planning: Theory and Practice of Centrally Planned Economies and Their Relations with Market Economies. The Norwegian Institute of International Affairs, 1963.