Não informado. (1970). Air and water news. Air and Water News.
Chicagoスタイル(17版)引用形式Não informado. Air and Water News. New York: Air and Water News, 1970.
MLA(8版)引用形式Não informado. Air and Water News. Air and Water News, 1970.
警告: この引用は必ずしも正確ではありません.