APA
European Observatory on Health Systems and Policies, World Health Organization. Regional Office for Europe, . (2020). COVID-19 health system response. Copenhagen: WHO Regional Office for Europe.
Chicago
European Observatory on Health Systems and Policies, World Health Organization. Regional Office for Europe, . 2020. COVID-19 health system response. Copenhagen: WHO Regional Office for Europe.
Harvard
European Observatory on Health Systems and Policies, World Health Organization. Regional Office for Europe, . (2020). COVID-19 health system response. Copenhagen: WHO Regional Office for Europe.
MLA
European Observatory on Health Systems and Policies, World Health Organization. Regional Office for Europe, . COVID-19 health system response. Copenhagen: WHO Regional Office for Europe. 2020.