World Health Organization. (1995). National cancer control programmes: Policies and managerial guidelines. WHO.
Citación estilo ChicagoWorld Health Organization. National Cancer Control Programmes: Policies and Managerial Guidelines. Geneva: WHO, 1995.
Cita MLAWorld Health Organization. National Cancer Control Programmes: Policies and Managerial Guidelines. WHO, 1995.
Precaución: Estas citas no son 100% exactas.