Não informado. (2000). Transactions of the Illinois State Academy of Science. Illinois State Academy of Science.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the Illinois State Academy of Science. Springfield, Ill: Illinois State Academy of Science, 2000.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the Illinois State Academy of Science. Illinois State Academy of Science, 2000.
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