APA
Obermaier A. J., World Bank, . (2009). Cross-border purchases of health services: A case study on A. Washington: World Bank.
Chicago
Obermaier Andreas J, World Bank, . 2009. Cross-border purchases of health services: A case study on A. Washington: World Bank.
Harvard
Obermaier A. J., World Bank, . (2009). Cross-border purchases of health services: A case study on A. Washington: World Bank.
MLA
Obermaier Andreas J, World Bank, . Cross-border purchases of health services: A case study on A. Washington: World Bank. 2009.