Não informado. (1963). Agricultural Science Review. Cooperative State Experiment Station Service, Department of Agriculture.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Agricultural Science Review. Washington: Cooperative State Experiment Station Service, Department of Agriculture, 1963.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Agricultural Science Review. Cooperative State Experiment Station Service, Department of Agriculture, 1963.
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