Não informado. (1946). McGraw Hill digest: Engineering, industry, science, business. McGraw-Hill Publications.
Chicagoスタイル(17版)引用形式Não informado. McGraw Hill Digest: Engineering, Industry, Science, Business. New York: McGraw-Hill Publications, 1946.
MLA(8版)引用形式Não informado. McGraw Hill Digest: Engineering, Industry, Science, Business. McGraw-Hill Publications, 1946.
警告: この引用は必ずしも正確ではありません.