Peters, E., & Rosenblat, B. (1998). The ape who guards the balance (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeters, Elizabeth, और Barbara Rosenblat. The Ape Who Guards the Balance. Unabridged. Prince Frederick: Recorded Books Inc., 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeters, Elizabeth, और Barbara Rosenblat. The Ape Who Guards the Balance. Unabridged. Recorded Books Inc., 1998.
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