Langman, J. (1975). Medical embryology: Human development-normal and abnormal (Tercera edición.). The William y Wilkins.
Čikaški stil citiranja (17. izdanje)Langman, Jan. Medical Embryology: Human Development-normal and Abnormal. Tercera edición. Baltimore: The William y Wilkins, 1975.
MLA način citiranja (8. izdanje)Langman, Jan. Medical Embryology: Human Development-normal and Abnormal. Tercera edición. The William y Wilkins, 1975.
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