Oman, C. W. C. Archivmaterialien zu Charles William Chadwick Oman, 1860-1946.
芝加哥风格引文Oman, Charles William Chadwick. Archivmaterialien Zu Charles William Chadwick Oman, 1860-1946.
MLA引文Oman, Charles William Chadwick. Archivmaterialien Zu Charles William Chadwick Oman, 1860-1946.
警告：这些引文格式不一定是100％准确.