McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services & Moyer, R. Human body: Keeping healthy (Macmillan/McGraw-Hill edition.).
Chicago-Zitierstil (17. Ausg.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services und Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
MLA-Zitierstil (8. Ausg.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services und Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.