Hawking, S., & Runger, N. (1988). A brief history of time (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHawking, Stephen, और Nelson Runger. A Brief History of Time. Unabridged. Prince Frederick: Recorded Books Inc., 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHawking, Stephen, और Nelson Runger. A Brief History of Time. Unabridged. Recorded Books Inc., 1988.
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