HAWKING, S. (1988). A BRIEF HISTORY OF TIME: FROM THE BIG BANG TO BLACK HOLES. BANTAM BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAWKING, STEPHEN. A BRIEF HISTORY OF TIME: FROM THE BIG BANG TO BLACK HOLES. LONDON: BANTAM BOOKS, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAWKING, STEPHEN. A BRIEF HISTORY OF TIME: FROM THE BIG BANG TO BLACK HOLES. BANTAM BOOKS, 1988.
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