Não informado. (2004). Miscellaneous Papers. Department of Mines and Technical Surveys, Geographical Branch.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Miscellaneous Papers. Ottawa: Department of Mines and Technical Surveys, Geographical Branch, 2004.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Miscellaneous Papers. Department of Mines and Technical Surveys, Geographical Branch, 2004.
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