Não informado. (2016). Research Program on Soils of the Tropics, Annual Report. North Carolina State University, Soil Science Department.
Style de citation Chicago (17e éd.)Não informado. Research Program on Soils of the Tropics, Annual Report. Raleigh, NC: North Carolina State University, Soil Science Department, 2016.
Style de citation MLA (8e éd.)Não informado. Research Program on Soils of the Tropics, Annual Report. North Carolina State University, Soil Science Department, 2016.
Attention : ces citations peuvent ne pas être correctes à 100%.