United Nations. Economic Commission for Europe. Timber Committee. (1975). Forest products market trends in 1975 and prospects for 1976: Based on the review of markets at the Timber Committee's thirty-third session, 20-24 October 1975. United Nations Economic Commission for Europe.
芝加哥风格引文United Nations. Economic Commission for Europe. Timber Committee. Forest Products Market Trends in 1975 and Prospects for 1976: Based on the Review of Markets at the Timber Committee's Thirty-third Session, 20-24 October 1975. Geneva: United Nations Economic Commission for Europe, 1975.
MLA引文United Nations. Economic Commission for Europe. Timber Committee. Forest Products Market Trends in 1975 and Prospects for 1976: Based on the Review of Markets at the Timber Committee's Thirty-third Session, 20-24 October 1975. United Nations Economic Commission for Europe, 1975.