Porter, S. (2016). Vassa in the night (First edition.). Tor Teen, a Tom Doherty and Associates book.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPorter, Sarah. Vassa in the Night. First edition. New York: Tor Teen, a Tom Doherty and Associates book, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPorter, Sarah. Vassa in the Night. First edition. Tor Teen, a Tom Doherty and Associates book, 2016.
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