WHO Scientific Group, & WHO Scientific Group. (1972). Oral enteric bacterial vaccines: Report of a WHO Scientific Group. Geneva: World Health Organization.
Citación estilo ChicagoWHO Scientific Group, y WHO Scientific Group. Oral Enteric Bacterial Vaccines: Report of a WHO Scientific Group. Geneva: World Health Organization, 1972.
Cita MLAWHO Scientific Group, y WHO Scientific Group. Oral Enteric Bacterial Vaccines: Report of a WHO Scientific Group. Geneva: World Health Organization, 1972.
Precaución: Estas citas no son 100% exactas.