Revilla, A. (1983). The COSTEF system: A cost effective reforestration/agroreforestration strategy. Forestry Development Center, UPLB College of Forestry.
Chicago-Zitierstil (17. Ausg.)Revilla, A.V. The COSTEF System: A Cost Effective Reforestration/agroreforestration Strategy. College, Laguna: Forestry Development Center, UPLB College of Forestry, 1983.
MLA-Zitierstil (9. Ausg.)Revilla, A.V. The COSTEF System: A Cost Effective Reforestration/agroreforestration Strategy. Forestry Development Center, UPLB College of Forestry, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.