Heym, S. (1969). Uncertain friend: A biographical novel (1. publ.). Cassell.
Chicagoスタイル(17版)引用形式Heym, Stefan. Uncertain Friend: A Biographical Novel. 1. publ. London: Cassell, 1969.
MLA(8版)引用形式Heym, Stefan. Uncertain Friend: A Biographical Novel. 1. publ. Cassell, 1969.
警告: この引用は必ずしも正確ではありません.