APA-viite (7. p.)
Gordon, S. D. (1918). The bent-knee time. American Sunday-School Union.
Chicago-viite (17. p.)
Gordon, Samuel Dickey. The Bent-knee Time. Philadelphia: American Sunday-School Union, 1918.
MLA-viite (9. p.)
Gordon, Samuel Dickey. The Bent-knee Time. American Sunday-School Union, 1918.
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