Não informado. Soil management abstracts. International Board for Soil Research and Management.
Cita Chicago Style (17a ed.)Não informado. Soil Management Abstracts. Bangkok: International Board for Soil Research and Management.
Cita MLA (8a ed.)Não informado. Soil Management Abstracts. International Board for Soil Research and Management.
Precaución: Estas citas no son 100% exactas.