Campos-Outcalt, D. (2000). 20 common problems in preventive health care. McGraw-Hill, Health Professions Division.
Cita Chicago (17th ed.)Campos-Outcalt, Douglas. 20 Common Problems in Preventive Health Care. New York: McGraw-Hill, Health Professions Division, 2000.
Cita MLA (9th ed.)Campos-Outcalt, Douglas. 20 Common Problems in Preventive Health Care. McGraw-Hill, Health Professions Division, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.