APA Баримт

Boulter W. K. (1996). North American timber trends study. United Nations.

Чикаго маягийн жагсаалт

Boulter W. K. North American Timber Trends Study. New York: United Nations, 1996.

MLA ишлэл

Boulter W. K. North American Timber Trends Study. United Nations, 1996.

Warning: These citations may not always be 100% accurate.