APA (7e ed.) Bronvermelding

Não informado. Soil management abstracts. International Board for Soil Research and Management.

Chicago (17e ed.) Bronvermelding

Não informado. Soil Management Abstracts. Bangkok: International Board for Soil Research and Management.

MLA (8e ed.) Bronvermelding

Não informado. Soil Management Abstracts. International Board for Soil Research and Management.

Let op: Deze citaties zijn niet altijd 100% accuraat.