Não informado. (1951). Wastes engineering. R.H. Donnelley, Magazine Publishing Division.
Chicagoスタイル(17版)引用形式Não informado. Wastes Engineering. New York: R.H. Donnelley, Magazine Publishing Division, 1951.
MLA(8版)引用形式Não informado. Wastes Engineering. R.H. Donnelley, Magazine Publishing Division, 1951.
警告: この引用は必ずしも正確ではありません.