Spencer, F. M., & Monroe, L. S. (1982). The color atlas of intestinal parasites. C.C. Thomas.
Lua i Stíl Chicago (17ú heag.)Spencer, Francis M., agus Lee S. Monroe. The Color Atlas of Intestinal Parasites. Springfield, IL: C.C. Thomas, 1982.
Lua MLA (9ú heag.)Spencer, Francis M., agus Lee S. Monroe. The Color Atlas of Intestinal Parasites. C.C. Thomas, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.