Vardeman, S. B. (1994). Statistic for Engineering Problem Solving. PWS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVardeman, Stephen B. Statistic for Engineering Problem Solving. PWS, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVardeman, Stephen B. Statistic for Engineering Problem Solving. PWS, 1994.
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