Lusk, W. T. (1882). The science and art of midwifery. D. Appleton and Company.
Chicago-viite (17. p.)Lusk, William Thompson. The Science and Art of Midwifery. New York: D. Appleton and Company, 1882.
MLA-viite (8. p.)Lusk, William Thompson. The Science and Art of Midwifery. D. Appleton and Company, 1882.
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