Não informado. (2012). Year Book of the Royal Society of Tropical Medicine and Hygiene. Royal Society of Tropical Medicine and Hygiene.
Chicago-referens (17:e uppl.)Não informado. Year Book of the Royal Society of Tropical Medicine and Hygiene. London: Royal Society of Tropical Medicine and Hygiene, 2012.
MLA-referens (8:e uppl.)Não informado. Year Book of the Royal Society of Tropical Medicine and Hygiene. Royal Society of Tropical Medicine and Hygiene, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.