Kohn, R. (1983). The health centre concept in primary health care. World Health Organization, Regional Office for Europe.
Cita Chicago (17th ed.)Kohn, Robert. The Health Centre Concept in Primary Health Care. Copenhagen: World Health Organization, Regional Office for Europe, 1983.
Cita MLA (9th ed.)Kohn, Robert. The Health Centre Concept in Primary Health Care. World Health Organization, Regional Office for Europe, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.