Spencer, S. (2011). Backlash: A Monika Paniatowski mystery. Severn House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Backlash: A Monika Paniatowski Mystery. Surrey, Eng.: Severn House, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Backlash: A Monika Paniatowski Mystery. Severn House, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.