Não informado. (2012). Year Book of the Royal Society of Tropical Medicine and Hygiene. Royal Society of Tropical Medicine and Hygiene.
Citação do estilo Chicago (17ª ed.)Não informado. Year Book of the Royal Society of Tropical Medicine and Hygiene. London: Royal Society of Tropical Medicine and Hygiene, 2012.
Citação MLA (8ª ed.)Não informado. Year Book of the Royal Society of Tropical Medicine and Hygiene. Royal Society of Tropical Medicine and Hygiene, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.