Fisher, B. (1992). Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Divine Word Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFisher, Bernard. Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Madang, Papua New Guinea: Divine Word Institute, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFisher, Bernard. Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Divine Word Institute, 1992.
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