Markell, E. K., & Voge, M. (1971). Medical parasitology. Saunders.
Lua i Stíl Chicago (17ú heag.)Markell, Edward K., agus Marietta Voge. Medical Parasitology. Philadelphia: Saunders, 1971.
Lua MLA (9ú heag.)Markell, Edward K., agus Marietta Voge. Medical Parasitology. Saunders, 1971.
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