Newell, K. W. (1975). Health by the people. World Health Organization ; obtainable from Q Corp..
Cita Chicago (17th ed.)Newell, Kenneth W. Health by the People. Geneva : Albany, N.Y.: World Health Organization ; obtainable from Q Corp., 1975.
Cita MLA (8th ed.)Newell, Kenneth W. Health by the People. World Health Organization ; obtainable from Q Corp., 1975.
Atenció: Aquestes cites poden no estar 100% correctes.