United Nations. Economic Commision for Europe. Executive Secretary. (1973). Analytical Report on industrial cooperation among ECE Economic Commission for Europe. United Nations publication. Sales No.E.73.II.E.11 countries. Economic Commision for Europe.
Cita Chicago (17th ed.)United Nations. Economic Commision for Europe. Executive Secretary. Analytical Report on Industrial Cooperation Among ECE Economic Commission for Europe. United Nations Publication. Sales No.E.73.II.E.11 Countries. Economic Commision for Europe, 1973.
Cita MLA (9th ed.)United Nations. Economic Commision for Europe. Executive Secretary. Analytical Report on Industrial Cooperation Among ECE Economic Commission for Europe. United Nations Publication. Sales No.E.73.II.E.11 Countries. Economic Commision for Europe, 1973.