APA

International Board for Soil Research and Management (IBSRAM), . (1996). Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of an AFRICALAND Programme held at Antananarivo, Madagascar 9-15 January 1990. : IBSRAM.

Chicago

International Board for Soil Research and Management (IBSRAM), . 1996. Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of an AFRICALAND Programme held at Antananarivo, Madagascar 9-15 January 1990. : IBSRAM.

Harvard

International Board for Soil Research and Management (IBSRAM), . (1996). Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of an AFRICALAND Programme held at Antananarivo, Madagascar 9-15 January 1990. : IBSRAM.

MLA

International Board for Soil Research and Management (IBSRAM), . Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of an AFRICALAND Programme held at Antananarivo, Madagascar 9-15 January 1990. : IBSRAM. 1996.