Não informado. (1993). Promotion and Education. International Union for Health Promotion and Education.
Citação do estilo Chicago (17ª ed.)Não informado. Promotion and Education. Paris: International Union for Health Promotion and Education, 1993.
Citação MLA (8ª ed.)Não informado. Promotion and Education. International Union for Health Promotion and Education, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.