Palm, O. (1988). Traditional lowland rice agriculture in Sri Lanka: Nitrogen cycling and options for biotertilizers. Linköping University.
Chicago Style (17th ed.) CitationPalm, Ola. Traditional Lowland Rice Agriculture in Sri Lanka: Nitrogen Cycling and Options for Biotertilizers. Linköping, Sweden: Linköping University, 1988.
MLA (8th ed.) CitationPalm, Ola. Traditional Lowland Rice Agriculture in Sri Lanka: Nitrogen Cycling and Options for Biotertilizers. Linköping University, 1988.
Warning: These citations may not always be 100% accurate.