World Health Organization & White, K. L. (1977). Health services: Concepts and information for national planning and management. World Health Organization.
Cita Chicago (17th ed.)World Health Organization i Kerr L. White. Health Services: Concepts and Information for National Planning and Management. Geneva: World Health Organization, 1977.
Cita MLA (9th ed.)World Health Organization i Kerr L. White. Health Services: Concepts and Information for National Planning and Management. World Health Organization, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.