Não informado. (1996). Agriculture and environment for developing regions. Royal Tropical Institute.
Cita Chicago Style (17a ed.)Não informado. Agriculture and Environment for Developing Regions. Amsterdam: Royal Tropical Institute, 1996.
Cita MLA (8a ed.)Não informado. Agriculture and Environment for Developing Regions. Royal Tropical Institute, 1996.
Precaución: Estas citas no son 100% exactas.