Não informado. (2018). Annual Report of the Department of Mines and Technical Surveys. Department of Mines and Technical Surveys.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Department of Mines and Technical Surveys. Ottawa: Department of Mines and Technical Surveys, 2018.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Department of Mines and Technical Surveys. Department of Mines and Technical Surveys, 2018.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.