APA
Working Group on the Role of Health Economics in National Health Planning and Policy-Making (1977 : Cologne), World Health Organization. Regional Office for Europe, . (1978). The role of health economics in national health planning and policy-making. Copenhagen: Regional Office for Europe, World Health Organization.
Chicago
Working Group on the Role of Health Economics in National Health Planning and Policy-Making (1977 : Cologne), World Health Organization. Regional Office for Europe, . 1978. The role of health economics in national health planning and policy-making. Copenhagen: Regional Office for Europe, World Health Organization.
Harvard
Working Group on the Role of Health Economics in National Health Planning and Policy-Making (1977 : Cologne), World Health Organization. Regional Office for Europe, . (1978). The role of health economics in national health planning and policy-making. Copenhagen: Regional Office for Europe, World Health Organization.
MLA
Working Group on the Role of Health Economics in National Health Planning and Policy-Making (1977 : Cologne), World Health Organization. Regional Office for Europe, . The role of health economics in national health planning and policy-making. Copenhagen: Regional Office for Europe, World Health Organization. 1978.