The Gabrovo health services model in the People's Republic of Bulgaria : report on a study
MLA
Sokolov, David Konstantinović, Jo Eirik Asvall, and Herbert Zöllner. The Gabrovo Health Services Model In the People's Republic of Bulgaria : Report On a Study. Copenhagen: WHO, Regional Office for Europe, 1980.
APA
Sokolov, D. Konstantinović, Asvall, J. Eirik, & Zöllner, H. (1980). The Gabrovo health services model in the People's Republic of Bulgaria : report on a study. Copenhagen: WHO, Regional Office for Europe.
Chicago
Sokolov, David Konstantinović, Jo Eirik Asvall, and Herbert Zöllner. The Gabrovo Health Services Model In the People's Republic of Bulgaria: Report On a Study. Copenhagen: WHO, Regional Office for Europe, 1980.