Clements, B. (1972). From ice set free: The story of Otto Kiep. Farrar, Straus and Giroux.
Chicagoスタイル(17版)引用形式Clements, Bruce. From Ice Set Free: The Story of Otto Kiep. New York: Farrar, Straus and Giroux, 1972.
MLA(8版)引用形式Clements, Bruce. From Ice Set Free: The Story of Otto Kiep. Farrar, Straus and Giroux, 1972.
警告: この引用は必ずしも正確ではありません.