Parker, R. B., Atkins, A., & Mantegna, J. (2021). Robert B. Parker's someone to watch over me (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParker, Robert B., Ace Atkins, और Joe Mantegna. Robert B. Parker's Someone to Watch over Me. Unabridged. New York, New York: Random House Audio, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रParker, Robert B., et al. Robert B. Parker's Someone to Watch over Me. Unabridged. Random House Audio, 2021.
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