Não informado. (2004). Engineering digest. Canadian Engineering.
Chicagoスタイル(17版)引用形式Não informado. Engineering Digest. Toronto, Canada: Canadian Engineering, 2004.
MLA(8版)引用形式Não informado. Engineering Digest. Canadian Engineering, 2004.
警告: この引用は必ずしも正確ではありません.