Não informado. (1955). British union-catalogue of periodicals. Butterworths.
Chicagoスタイル(17版)引用形式Não informado. British Union-catalogue of Periodicals. London: Butterworths, 1955.
MLA(8版)引用形式Não informado. British Union-catalogue of Periodicals. Butterworths, 1955.
警告: この引用は必ずしも正確ではありません.