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.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Economic Commission for Europe και Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Economic Commission for Europe και 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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