APA (7 वां संस्करण) प्रशस्ति पत्र
Covell, R. R. (1995). The liberating gospel in China: The Christian faith among China's minority peoples. Baker Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Covell, Ralph R. The Liberating Gospel in China: The Christian Faith Among China's Minority Peoples. Grand Rapids, Mich.: Baker Books, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Covell, Ralph R. The Liberating Gospel in China: The Christian Faith Among China's Minority Peoples. Baker Books, 1995.
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