Piffl-Perčević, T. Archivmaterialien zu Theodor Piffl-Perčević, 1911-1994.
芝加哥风格引文Piffl-Perčević, Theodor. Archivmaterialien Zu Theodor Piffl-Perčević, 1911-1994.
MLA引文Piffl-Perčević, Theodor. Archivmaterialien Zu Theodor Piffl-Perčević, 1911-1994.
警告：这些引文格式不一定是100％准确.
