Spender, J. A. (1933). Fifty years of Europe: A study in pre-war documents. Cassell.
Chicagoスタイル(17版)引用形式Spender, John A. Fifty Years of Europe: A Study in Pre-war Documents. London ;Melbourne: Cassell, 1933.
MLA(8版)引用形式Spender, John A. Fifty Years of Europe: A Study in Pre-war Documents. Cassell, 1933.
警告: この引用は必ずしも正確ではありません.