APA
World Health Organization, . (2003). Adherence to long-term therapies. World Health Organization, Geneva: .
Chicago
World Health Organization, . 2003. Adherence to long-term therapies. World Health Organization, Geneva: .
Harvard
World Health Organization, . (2003). Adherence to long-term therapies. World Health Organization, Geneva: .
MLA
World Health Organization, . Adherence to long-term therapies. World Health Organization, Geneva: . 2003.