APA (7 वां संस्करण) प्रशस्ति पत्र
Tweeddale, M. (2003). Managing risk and reliability of process plants. Gulf Professional Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Tweeddale, Mark. Managing Risk and Reliability of Process Plants. Boston: Gulf Professional Pub., 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Tweeddale, Mark. Managing Risk and Reliability of Process Plants. Gulf Professional Pub., 2003.
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