Não informado. (1921). Contributions to Canadian Mineralogy. University of Toronto.
Chicagoスタイル(17版)引用形式Não informado. Contributions to Canadian Mineralogy. Toronto, Canada: University of Toronto, 1921.
MLA(8版)引用形式Não informado. Contributions to Canadian Mineralogy. University of Toronto, 1921.
警告: この引用は必ずしも正確ではありません.