THORPE EDGAR. (1993). COURSE IN MENTAL ABILITY & QUANTITATIVE APTITUDE: FOR COMPETITIVE EXAMS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTHORPE EDGAR. COURSE IN MENTAL ABILITY & QUANTITATIVE APTITUDE: FOR COMPETITIVE EXAMS. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTHORPE EDGAR. COURSE IN MENTAL ABILITY & QUANTITATIVE APTITUDE: FOR COMPETITIVE EXAMS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.
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