Coyle, C., & Gibel, R. (2011). On what grounds (Unabridged.). Blackstone Audio, Inc., and Buck 50 Productions, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoyle, Cleo, और Rebecca Gibel. On What Grounds. Unabridged. Ashland: Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoyle, Cleo, और Rebecca Gibel. On What Grounds. Unabridged. Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2011.
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