McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services & Moyer, R. Human body: Keeping healthy (Macmillan/McGraw-Hill edition.).
Lua i Stíl Chicago (17ú heag.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services agus Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
Lua MLA (8ú heag.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services agus Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.