Não informado. (1967). Colloquia Germanica. University of Kentucky, Department of Germanic and Classical Languages and Literatures.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Colloquia Germanica. Bern: University of Kentucky, Department of Germanic and Classical Languages and Literatures, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Colloquia Germanica. University of Kentucky, Department of Germanic and Classical Languages and Literatures, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.