Payne, W. A., & Hahn, D. B. (2002). Understanding your health (7th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Payne, Wayne A., i Dale B. Hahn. Understanding Your Health. 7th ed. Boston: McGraw-Hill, 2002.
Cita MLA (9th ed.)Payne, Wayne A., i Dale B. Hahn. Understanding Your Health. 7th ed. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.