Smelser, R., Dullien, T., & Hinrichs, H. (1979). Preliminary Survey of German collection: By Ronald Smelser with Thomas Dullien and Heribert Hinrichs. Univ. of Utah Pr..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmelser, Ronald, Thomas Dullien, और Heribert Hinrichs. Preliminary Survey of German Collection: By Ronald Smelser with Thomas Dullien and Heribert Hinrichs. Salt Lake City: Univ. of Utah Pr., 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmelser, Ronald, et al. Preliminary Survey of German Collection: By Ronald Smelser with Thomas Dullien and Heribert Hinrichs. Univ. of Utah Pr., 1979.
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