APA (7 वां संस्करण) प्रशस्ति पत्र

Grant, E. L. (1990). Principles Of Engineering Economy Eugene Grant; W. Grant Ireson And Richards Leavenworth. John Wiley & Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Grant, Eugene L. Principles Of Engineering Economy Eugene Grant; W. Grant Ireson And Richards Leavenworth. John Wiley & Sons, 1990.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Grant, Eugene L. Principles Of Engineering Economy Eugene Grant; W. Grant Ireson And Richards Leavenworth. John Wiley & Sons, 1990.

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