Ferris, E., & Skelley, E. G. (1979). Body structures and functions.
Lua i Stíl Chicago (17ú heag.)Ferris, Elvira, agus Esther G. Skelley. Body Structures and Functions. 1979.
Lua MLA (9ú heag.)Ferris, Elvira, agus Esther G. Skelley. Body Structures and Functions. 1979.
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