Wolferstan, B. (1922). The duties of parents towards their children. Catholic Truth Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWolferstan, Bertram. The Duties of Parents Towards Their Children. London: Catholic Truth Society, 1922.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWolferstan, Bertram. The Duties of Parents Towards Their Children. Catholic Truth Society, 1922.
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