United Nations Economic Commission for Europe & Food and agriculture organization of the united nations. (1999). Forest products trade flow data 1996-1997: Statistiques des courants commerciaux des produits forestiers 1996-1997 : . Vol. LI ( 1998 ), No 5.
Citação do estilo Chicago (17ª ed.)United Nations Economic Commission for Europe e Food and agriculture organization of the united nations. Forest Products Trade Flow Data 1996-1997: Statistiques Des Courants Commerciaux Des Produits Forestiers 1996-1997 : . Vol. LI ( 1998 ), No 5. 1999.
Citação MLA (9ª ed.)United Nations Economic Commission for Europe e Food and agriculture organization of the united nations. Forest Products Trade Flow Data 1996-1997: Statistiques Des Courants Commerciaux Des Produits Forestiers 1996-1997 : . Vol. LI ( 1998 ), No 5. 1999.