Não informado. (1970). ISO bulletin. International Organization for Standardization.
Chicagoスタイル(17版)引用形式Não informado. ISO Bulletin. Geneva, Suíça: International Organization for Standardization, 1970.
MLA(8版)引用形式Não informado. ISO Bulletin. International Organization for Standardization, 1970.
警告: この引用は必ずしも正確ではありません.