Institution of Civil Engineers (Great Britain). (1969). An introduction to engineering economics. (Great George St., S.W.1), Institution of Civil Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitution of Civil Engineers (Great Britain). An Introduction to Engineering Economics. London: (Great George St., S.W.1), Institution of Civil Engineers, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInstitution of Civil Engineers (Great Britain). An Introduction to Engineering Economics. (Great George St., S.W.1), Institution of Civil Engineers, 1969.
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