Park, C. S. (2007). Contemporary engineering economics (4th ed.). Pearson Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPark, Chan S. Contemporary Engineering Economics. 4th ed. Upper Saddle River, N.J: Pearson Prentice-Hall, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPark, Chan S. Contemporary Engineering Economics. 4th ed. Pearson Prentice-Hall, 2007.
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