APA-čujuhus (7. p.)
Ludwig, C. (1963). Mama was a missionary. Zondervan Pub. House.
Chicago-čujuhus (17. p.)
Ludwig, Charles. Mama Was a Missionary. Grand Rapids: Zondervan Pub. House, 1963.
MLA-čujuhus (9. p.)
Ludwig, Charles. Mama Was a Missionary. Zondervan Pub. House, 1963.
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