Welldon, J. E. C. Archivmaterialien zu James Edward Cowell Welldon, 1854-1937.
芝加哥风格引文Welldon, James Edward Cowell. Archivmaterialien Zu James Edward Cowell Welldon, 1854-1937.
MLA引文Welldon, James Edward Cowell. Archivmaterialien Zu James Edward Cowell Welldon, 1854-1937.
警告：这些引文格式不一定是100％准确.
