Revilla, A. (1983). The COSTEF system: A cost effective reforestration/agroreforestration strategy. Forestry Development Center, UPLB College of Forestry.
Citazione stile Chigago Style (17a edizione)Revilla, A.V. The COSTEF System: A Cost Effective Reforestration/agroreforestration Strategy. College, Laguna: Forestry Development Center, UPLB College of Forestry, 1983.
Citatione MLA (9a ed.)Revilla, A.V. The COSTEF System: A Cost Effective Reforestration/agroreforestration Strategy. Forestry Development Center, UPLB College of Forestry, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.