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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)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.