Não informado. (1960). Canadian Building Digest. National Research Council of Canada, Division of Building Research.
Chicagoスタイル(17版)引用形式Não informado. Canadian Building Digest. Ottawa: National Research Council of Canada, Division of Building Research, 1960.
MLA(8版)引用形式Não informado. Canadian Building Digest. National Research Council of Canada, Division of Building Research, 1960.
警告: この引用は必ずしも正確ではありません.