Hoban, S., Clausen, B., & Walther, F. E. (2016). Franz Erhard Walther: First Work Set / Essays by Barbara Clausen Ed. by Stephen Hoban. Koenig Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoban, Stephen, Barbara Clausen, और Franz Erhard Walther. Franz Erhard Walther: First Work Set / Essays by Barbara Clausen Ed. by Stephen Hoban. London: Koenig Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoban, Stephen, et al. Franz Erhard Walther: First Work Set / Essays by Barbara Clausen Ed. by Stephen Hoban. Koenig Books, 2016.
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