Bourke, A., Rendall, J., & Knowles, R. (2009). Christian the lion: Based on the amazing and heartwarming true story (1st American ed.). Delacorte Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBourke, Anthony, John Rendall, और Ruth Knowles. Christian the Lion: Based on the Amazing and Heartwarming True Story. 1st American ed. New York: Delacorte Press, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBourke, Anthony, et al. Christian the Lion: Based on the Amazing and Heartwarming True Story. 1st American ed. Delacorte Press, 2009.
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