Crisafulli, A. S., & Hatzfeld, H. A. (1964). Linguistic and literary studies: In honor of Helmut A. Hatzfeld. Catholic Univ. of America.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrisafulli, Alessandro S., और Helmut A. Hatzfeld. Linguistic and Literary Studies: In Honor of Helmut A. Hatzfeld. Washington: Catholic Univ. of America, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrisafulli, Alessandro S., और Helmut A. Hatzfeld. Linguistic and Literary Studies: In Honor of Helmut A. Hatzfeld. Catholic Univ. of America, 1964.
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