Luther, M., & Nordgren, J. V. (1939). Home edition of Dr. Martin Luther's Small catechism: Including an account of the origin and purpose of the catechism for use in the home, together with a collection of prayers for use at the family altar. Augustana Book Concern.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Luther, Martin, و Julius Vincent Nordgren. Home Edition of Dr. Martin Luther's Small Catechism: Including an Account of the Origin and Purpose of the Catechism for Use in the Home, Together with a Collection of Prayers for Use at the Family Altar. Rock Island, Ill.: Augustana Book Concern, 1939.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Luther, Martin, و Julius Vincent Nordgren. Home Edition of Dr. Martin Luther's Small Catechism: Including an Account of the Origin and Purpose of the Catechism for Use in the Home, Together with a Collection of Prayers for Use at the Family Altar. Augustana Book Concern, 1939.