Herman, W. (1949). Hearts courageous; twelve who achieved. Dutton.
Chicagoスタイル(17版)引用形式Herman, William. Hearts Courageous; Twelve Who Achieved. [S.l.]: Dutton, 1949.
MLA(9版)引用形式Herman, William. Hearts Courageous; Twelve Who Achieved. Dutton, 1949.
警告: この引用は必ずしも正確ではありません.