Costello, A. (1977). How to pray when troubled: From His cross to yours. Liquori Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCostello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori, Mo.: Liquori Publications, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCostello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori Publications, 1977.
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