Leas, S. (1978). Time management: A working guide for church leaders. Abingdon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeas, Speed. Time Management: A Working Guide for Church Leaders. Nashville: Abingdon Press, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLeas, Speed. Time Management: A Working Guide for Church Leaders. Abingdon Press, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.