Society of American Foresters. (1960). World directory of forestry schools. Food and Agriculture Organization of the United Nations.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Society of American Foresters. World Directory of Forestry Schools. Food and Agriculture Organization of the United Nations, 1960.
MLA -ийн эшлэл (9 дэх хэвлэлт)Society of American Foresters. World Directory of Forestry Schools. Food and Agriculture Organization of the United Nations, 1960.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.