Keller, T., & James, L. (2012). Every good endeavor: Connecting your work to god's work (Unabridged.). Penguin Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeller, Timothy, और Lloyd James. Every Good Endeavor: Connecting Your Work to God's Work. Unabridged. New York: Penguin Audio, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKeller, Timothy, और Lloyd James. Every Good Endeavor: Connecting Your Work to God's Work. Unabridged. Penguin Audio, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.