Henkel, P. (1813). The Christian catechism: Composed for the instruction of youth in the knowledge of the Christian religion (3d ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHenkel, Paul. The Christian Catechism: Composed for the Instruction of Youth in the Knowledge of the Christian Religion. 3d ed. New Market, Va, 1813.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHenkel, Paul. The Christian Catechism: Composed for the Instruction of Youth in the Knowledge of the Christian Religion. 3d ed. 1813.
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