Não informado. Tropical Soils Research Program, Annual Report. North Carolina State University, Soil Science Department.
Cita Chicago Style (17a ed.)Não informado. Tropical Soils Research Program, Annual Report. Raleigh, NC: North Carolina State University, Soil Science Department.
Cita MLA (8a ed.)Não informado. Tropical Soils Research Program, Annual Report. North Carolina State University, Soil Science Department.
Precaución: Estas citas no son 100% exactas.