World Health Organization. (2002). Innovative care for chronic conditions. WHO.
Citazione stile Chigago Style (17a edizione)World Health Organization. Innovative Care for Chronic Conditions. : WHO, 2002.
Citatione MLA (9a ed.)World Health Organization. Innovative Care for Chronic Conditions. WHO, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.