United Nations. Economic Commission for Europe. (1973). Annual forest products market review (Sawn softwood, hardwoods, wood-based panels, pulpwood, coniferous logs and roundwood removals) 1972 and up to 1 October 1973: Supplement 1 to volume XXVI of the Timber bulletin for Europe. Economic Commission for Europe, Government of United Nations.
Chicago-referens (17:e uppl.)United Nations. Economic Commission for Europe. Annual Forest Products Market Review (Sawn Softwood, Hardwoods, Wood-based Panels, Pulpwood, Coniferous Logs and Roundwood Removals) 1972 and Up to 1 October 1973: Supplement 1 to Volume XXVI of the Timber Bulletin for Europe. Geneva: Economic Commission for Europe, Government of United Nations, 1973.
MLA-referens (9:e uppl.)United Nations. Economic Commission for Europe. Annual Forest Products Market Review (Sawn Softwood, Hardwoods, Wood-based Panels, Pulpwood, Coniferous Logs and Roundwood Removals) 1972 and Up to 1 October 1973: Supplement 1 to Volume XXVI of the Timber Bulletin for Europe. Economic Commission for Europe, Government of United Nations, 1973.