APA(7版)引用形式

Não informado. (1926). General contracting. Engineering and Contracting Publishing.

Chicagoスタイル(17版)引用形式

Não informado. General Contracting. Chicago, Ill: Engineering and Contracting Publishing, 1926.

MLA(8版)引用形式

Não informado. General Contracting. Engineering and Contracting Publishing, 1926.

警告: この引用は必ずしも正確ではありません.