Pfeiffer-Belli, W. Archivmaterialien zu Wolfgang Pfeiffer-Belli, 1900-1980.
芝加哥风格引文Pfeiffer-Belli, Wolfgang. Archivmaterialien Zu Wolfgang Pfeiffer-Belli, 1900-1980.
MLA引文Pfeiffer-Belli, Wolfgang. Archivmaterialien Zu Wolfgang Pfeiffer-Belli, 1900-1980.
警告：这些引文格式不一定是100％准确.
