McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services & Moyer, R. Human body: Keeping healthy (Macmillan/McGraw-Hill edition.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services و Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services و Richard Moyer. Human Body: Keeping Healthy. Macmillan/McGraw-Hill edition.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.