APA
International Rice Research Institute, . (1991). Rice germplasm collecting, preservation, use. Manila: International Rice Research Institute.
Chicago
International Rice Research Institute, . 1991. Rice germplasm collecting, preservation, use. Manila: International Rice Research Institute.
Harvard
International Rice Research Institute, . (1991). Rice germplasm collecting, preservation, use. Manila: International Rice Research Institute.
MLA
International Rice Research Institute, . Rice germplasm collecting, preservation, use. Manila: International Rice Research Institute. 1991.