Petry, C. Archivmaterialien zu Christian Petry, 1941-2018.
Chicago Style (17th ed.) CitationPetry, Christian. Archivmaterialien Zu Christian Petry, 1941-2018.
MLA引文Petry, Christian. Archivmaterialien Zu Christian Petry, 1941-2018.
警告:這些引文格式不一定是100%准確.