Não informado. (1969). World surface coatings abstracts. Paint Research Association.
Chicagoスタイル(17版)引用形式Não informado. World Surface Coatings Abstracts. London: Paint Research Association, 1969.
MLA(8版)引用形式Não informado. World Surface Coatings Abstracts. Paint Research Association, 1969.
警告: この引用は必ずしも正確ではありません.