Board on Science and Technology for International Development. (1993). Vetiver grass: A thin green line against erosion. National Academy Press.
Chicago Style aipamenaBoard on Science and Technology for International Development. Vetiver Grass: A Thin Green Line Against Erosion. Washington, D.C.: National Academy Press, 1993.
MLA aipamenaBoard on Science and Technology for International Development. Vetiver Grass: A Thin Green Line Against Erosion. National Academy Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.