Royal Institute of Public Health and Hygiene. (2003). Community health. John Wright & Sons.
Citação do estilo Chicago (17ª ed.)Royal Institute of Public Health and Hygiene. Community Health. Bristol, Inglaterra: John Wright & Sons, 2003.
Citação MLA (8ª ed.)Royal Institute of Public Health and Hygiene. Community Health. John Wright & Sons, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.