Befeler, M. (2015). Murder on the Switzerland Trail. Five Star, A part of Gale, Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBefeler, Mike. Murder on the Switzerland Trail. Waterville, Maine: Five Star, A part of Gale, Cengage Learning, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBefeler, Mike. Murder on the Switzerland Trail. Five Star, A part of Gale, Cengage Learning, 2015.
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