Graetzer, E., & Sheffield, H. B. (1905). Practical pediatrics: A manual of the medical and surgical diseases of infancy and childhood. F.A. Davis.
Lua i Stíl Chicago (17ú heag.)Graetzer, Eugen, agus Herman Bernard Sheffield. Practical Pediatrics: A Manual of the Medical and Surgical Diseases of Infancy and Childhood. Philadelphia: F.A. Davis, 1905.
Lua MLA (8ú heag.)Graetzer, Eugen, agus Herman Bernard Sheffield. Practical Pediatrics: A Manual of the Medical and Surgical Diseases of Infancy and Childhood. F.A. Davis, 1905.
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