APA

International Board for Soil Research and Management (IBSRAM), . (1991). The management of lowland clayey soils after rice in Asia : proceedings of the First International Workshop on the Management of Lowland Clayey Soils for Upland Crops after Rice in Asia, Khon Kaen, Thailand. 19-24 March 1990. : IBSRAM.

Chicago

International Board for Soil Research and Management (IBSRAM), . 1991. The management of lowland clayey soils after rice in Asia : proceedings of the First International Workshop on the Management of Lowland Clayey Soils for Upland Crops after Rice in Asia, Khon Kaen, Thailand. 19-24 March 1990. : IBSRAM.

Harvard

International Board for Soil Research and Management (IBSRAM), . (1991). The management of lowland clayey soils after rice in Asia : proceedings of the First International Workshop on the Management of Lowland Clayey Soils for Upland Crops after Rice in Asia, Khon Kaen, Thailand. 19-24 March 1990. : IBSRAM.

MLA

International Board for Soil Research and Management (IBSRAM), . The management of lowland clayey soils after rice in Asia : proceedings of the First International Workshop on the Management of Lowland Clayey Soils for Upland Crops after Rice in Asia, Khon Kaen, Thailand. 19-24 March 1990. : IBSRAM. 1991.