United Nations. Economic Commission for Europe & United Nations. Statistical Commission. (1982). Standardized input-output tables of ECE Countries for years around 1970. United Nations.
Cita Chicago (17th ed.)United Nations. Economic Commission for Europe i United Nations. Statistical Commission. Standardized Input-output Tables of ECE Countries for Years Around 1970. New York: United Nations, 1982.
Cita MLA (8th ed.)United Nations. Economic Commission for Europe i United Nations. Statistical Commission. Standardized Input-output Tables of ECE Countries for Years Around 1970. United Nations, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.