Richards, L. O. (1978). Youth ministry: Its renewal in the local church. Zondervan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, Lawrence O. Youth Ministry: Its Renewal in the Local Church. Zondervan, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRichards, Lawrence O. Youth Ministry: Its Renewal in the Local Church. Zondervan, 1978.
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