Houpt, G. L. (1970). Science for mechanical engineering technicians: A part 1 course (T1,T2). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoupt, G. L. Science for Mechanical Engineering Technicians: A Part 1 Course (T1,T2). London: McGraw-Hill, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHoupt, G. L. Science for Mechanical Engineering Technicians: A Part 1 Course (T1,T2). McGraw-Hill, 1970.
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