Não informado. (2007). Technical bulletin of Tropical Agriculture Research Center. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Technical Bulletin of Tropical Agriculture Research Center. Ibaraki, Japão: Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Technical Bulletin of Tropical Agriculture Research Center. Ministry of Agriculture, Forestry and Fisheries, Tropical Agriculture Research Center, 2007.
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