WHO. (1990). Management of cataract in primary health care services. World Health Organisation.
Citación estilo ChicagoWHO. Management of Cataract in Primary Health Care Services. Geneva: World Health Organisation, 1990.
Cita MLAWHO. Management of Cataract in Primary Health Care Services. World Health Organisation, 1990.
Warning: These citations may not always be 100% accurate.