Patel, R. &. . N. (2010). "Theory of Computation (With Formal Languages) ". KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPatel, RB & Nath. "Theory of Computation (With Formal Languages) ". KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPatel, RB & Nath. "Theory of Computation (With Formal Languages) ". KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2010.
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