BASTON, H., HALL, J., & HENLEY-AINION,Alyson. (2011). Midewifery essentials praktik dasar. EGC.
Lua i Stíl Chicago (17ú heag.)BASTON, Helen, Jennifer HALL, agus HENLEY-AINION,Alyson. Midewifery Essentials Praktik Dasar. EGC, 2011.
Lua MLA (9ú heag.)BASTON, Helen, et al. Midewifery Essentials Praktik Dasar. EGC, 2011.
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