Não informado. (2001). South African journal of plant and soil. Foundation for Education, Science and Technology.
Style de citation Chicago (17e éd.)Não informado. South African Journal of Plant and Soil. Pretoria, Africa do Sul: Foundation for Education, Science and Technology, 2001.
Style de citation MLA (8e éd.)Não informado. South African Journal of Plant and Soil. Foundation for Education, Science and Technology, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.