APA-referens

Jeffrey,David W. Soil plant relationships: An ecological approach. Croom Helm Ltd.

Chicago-stil citat

Jeffrey,David W. Soil Plant Relationships: An Ecological Approach. Beckenham: Croom Helm Ltd.

MLA-referens

Jeffrey,David W. Soil Plant Relationships: An Ecological Approach. Croom Helm Ltd.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.