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.
芝加哥风格引文United Nations Economic Commission for Europe 与 Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
MLA引文United Nations Economic Commission for Europe 与 Food and agriculture organization of the united nations. Forest Products Annual Market Review 1997-1998: Timber Bulletin. Vol. LI. No 3. 1998.
警告：这些引文格式不一定是100％准确.