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.
Lua i Stíl Chicago (17ú heag.)United Nations Economic Commission for Europe agus Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
Lua MLA (9ú heag.)United Nations Economic Commission for Europe agus Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.