APA-čujuhus (7. p.)
Seel, D. J. (1925). Challenges & crisis in missionary medicine. William Carey Library.
Chicago-čujuhus (17. p.)
Seel, David J. Challenges & Crisis in Missionary Medicine. California: William Carey Library, 1925.
MLA-čujuhus (9. p.)
Seel, David J. Challenges & Crisis in Missionary Medicine. William Carey Library, 1925.
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