Rolfs, R. W. (1996). The sorcerer's apprentice: The life of Franz von Papen. University Press of America.
Chicagoスタイル(17版)引用形式Rolfs, Richard W. The Sorcerer's Apprentice: The Life of Franz Von Papen. Lanham: University Press of America, 1996.
MLA(8版)引用形式Rolfs, Richard W. The Sorcerer's Apprentice: The Life of Franz Von Papen. University Press of America, 1996.
警告: この引用は必ずしも正確ではありません.