APA(7版)引用形式

Não informado. (2004). Plumbing, heating, piping. Delta Communications.

Chicagoスタイル(17版)引用形式

Não informado. Plumbing, Heating, Piping. Chicago, Ill: Delta Communications, 2004.

MLA(8版)引用形式

Não informado. Plumbing, Heating, Piping. Delta Communications, 2004.

警告: この引用は必ずしも正確ではありません.