Wilgus, A. (2019). The knife at your back (First edition.). Tor Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilgus, Alison. The Knife at Your Back. First edition. New York: Tor Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilgus, Alison. The Knife at Your Back. First edition. Tor Books, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.