Board on Science and Technology for International Development. (1993). Vetiver grass: A thin green line against erosion. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Board on Science and Technology for International Development. Vetiver Grass: A Thin Green Line Against Erosion. Washington, D.C.: National Academy Press, 1993.
MLA -ийн эшлэл (9 дэх хэвлэлт)Board on Science and Technology for International Development. Vetiver Grass: A Thin Green Line Against Erosion. National Academy Press, 1993.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.