Henkel, P. (1816). The Christian catechism: Composed for the instruction of youth, in the knowledge of the Christian religion (5th ed., from enl. 4th ed.). S. Henkel.
Chicago-viite (17. p.)Henkel, Paul. The Christian Catechism: Composed for the Instruction of Youth, in the Knowledge of the Christian Religion. 5th ed., from enl. 4th ed. New Market, Va.: S. Henkel, 1816.
MLA-viite (8. p.)Henkel, Paul. The Christian Catechism: Composed for the Instruction of Youth, in the Knowledge of the Christian Religion. 5th ed., from enl. 4th ed. S. Henkel, 1816.
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