Brumbaugh, R. S. Archivmaterialien zu Robert Sherrick Brumbaugh, 1918-1992.
芝加哥风格引文Brumbaugh, Robert Sherrick. Archivmaterialien Zu Robert Sherrick Brumbaugh, 1918-1992.
MLA引文Brumbaugh, Robert Sherrick. Archivmaterialien Zu Robert Sherrick Brumbaugh, 1918-1992.
警告：这些引文格式不一定是100％准确.
