Não informado. (2007). Technical bulletin of Tropical Agriculture Research Center. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center.
Chicago-referens (17:e uppl.)Não informado. Technical Bulletin of Tropical Agriculture Research Center. Ibaraki, Japão: Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 2007.
MLA-referens (8:e uppl.)Não informado. Technical Bulletin of Tropical Agriculture Research Center. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 2007.
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