Perry, J. (1881). A full course of instructions for the use of catechists: Being an explanation of the catechism, entitled "An abridgement of Christian doctrine" (5th ed.). J. Duffy.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPerry, John. A Full Course of Instructions for the Use of Catechists: Being an Explanation of the Catechism, Entitled "An Abridgement of Christian Doctrine". 5th ed. Dublin ; London: J. Duffy, 1881.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPerry, John. A Full Course of Instructions for the Use of Catechists: Being an Explanation of the Catechism, Entitled "An Abridgement of Christian Doctrine". 5th ed. J. Duffy, 1881.
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