Não informado. (1956). Tuberculosis index including chest diseases. National Association for the Prevention of Tuberculosis.
Citação do estilo Chicago (17ª ed.)Não informado. Tuberculosis Index Including Chest Diseases. London: National Association for the Prevention of Tuberculosis, 1956.
Citação MLA (8ª ed.)Não informado. Tuberculosis Index Including Chest Diseases. National Association for the Prevention of Tuberculosis, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.