Society of American Foresters. (1960). World directory of forestry schools. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Society of American Foresters. World Directory of Forestry Schools. Food and Agriculture Organization of the United Nations, 1960.
MLA-referens (9:e uppl.)Society of American Foresters. World Directory of Forestry Schools. Food and Agriculture Organization of the United Nations, 1960.
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