KOCH Vision (Firm), James, P. D., Fraser, B., Marsden, R., Calvert, P., & Davies, J. H. (2008). Cover her face. KOCH Vision.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKOCH Vision (Firm), P. D. James, Bill Fraser, Roy Marsden, Phyllis Calvert, और John Howard Davies. Cover Her Face. Port Washington, NY: KOCH Vision, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKOCH Vision (Firm), et al. Cover Her Face. KOCH Vision, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.