Não informado. (1951). Geographical bulletin. Department of Mines and Technical Surveys, Geographical Branch.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Geographical Bulletin. Ottawa: Department of Mines and Technical Surveys, Geographical Branch, 1951.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Geographical Bulletin. Department of Mines and Technical Surveys, Geographical Branch, 1951.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.