Lower, W. (2021). The ravine: A family, a photograph, a Holocaust massacre revealed. Houghton Mifflin Harcourt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLower, Wendy. The Ravine: A Family, a Photograph, a Holocaust Massacre Revealed. Boston ; New York: Houghton Mifflin Harcourt, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLower, Wendy. The Ravine: A Family, a Photograph, a Holocaust Massacre Revealed. Houghton Mifflin Harcourt, 2021.
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