Não informado. Reports and Notes of the Public Health Laboratories. Ministry of Public Health.
Citação do estilo Chicago (17ª ed.)Não informado. Reports and Notes of the Public Health Laboratories. Cairo: Ministry of Public Health.
Citação MLA (8ª ed.)Não informado. Reports and Notes of the Public Health Laboratories. Ministry of Public Health.
Atenció: Aquestes cites poden no estar 100% correctes.