Não informado. (1954). Year book. International Council of Scientific Unions.
Chicagoスタイル(17版)引用形式Não informado. Year Book. Miami, Fla: International Council of Scientific Unions, 1954.
MLA(8版)引用形式Não informado. Year Book. International Council of Scientific Unions, 1954.
警告: この引用は必ずしも正確ではありません.