Gaya APA
Preker, A, S., Langenbrunner, J, C. (2005).
Spending Wisely: Buying Health Services for the Poor .
Washington:
The Word Bank.
Gaya MLA
Preker, Alexander, S.., Langenbrunner, John, C..
"Spending Wisely: Buying Health Services for the Poor".
Washington:
The Word Bank,
2005.
Kedokteran.