Não informado. (2012). Water and Sanitation. Canadian Engineer Publications.
Chicagoスタイル(17版)引用形式Não informado. Water and Sanitation. Toronto, Canada: Canadian Engineer Publications, 2012.
MLA(8版)引用形式Não informado. Water and Sanitation. Canadian Engineer Publications, 2012.
警告: この引用は必ずしも正確ではありません.