United Nations Economic Commission for Europe & Food and agriculture organization of the united nations. (1998). Forest products annual market review 1997-1998: Timber Bulletin. Vol. LI. No 3.
Chicago-viite (17. p.)United Nations Economic Commission for Europe ja Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
MLA-viite (9. p.)United Nations Economic Commission for Europe ja Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
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