Collins, R. F. (2002). 1 & 2 Timothy and Titus: A commentary (First edition.). Westminster John Knox Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins, Raymond F. 1 & 2 Timothy and Titus: A Commentary. First edition. Louisville: Westminster John Knox Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCollins, Raymond F. 1 & 2 Timothy and Titus: A Commentary. First edition. Westminster John Knox Press, 2002.
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