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.
Chicago Style (17. basım) AtıfUnited Nations Economic Commission for Europe ve 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.
MLA (9th ed.) AtıfUnited Nations Economic Commission for Europe ve 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.