Não informado. (1989). Agroforestry Today. International Centre for Research in Agroforestry.
Chicago-Zitierstil (17. Ausg.)Não informado. Agroforestry Today. Nairobi: International Centre for Research in Agroforestry, 1989.
MLA-Zitierstil (8. Ausg.)Não informado. Agroforestry Today. International Centre for Research in Agroforestry, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.