Larry S. Roberts and John Janovy, J. Gerald D. Schmidt and Larry S. Roberts- foundations of parasitology. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Larry S. Roberts and John Janovy, Jr. Gerald D. Schmidt and Larry S. Roberts- Foundations of Parasitology. McGraw-Hill.
Lua MLA (8ú heag.)Larry S. Roberts and John Janovy, Jr. Gerald D. Schmidt and Larry S. Roberts- Foundations of Parasitology. McGraw-Hill.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.