APA Format
Ke Xu; ( et al ) . (). Health systems...: Understanding household catastrophic health expenditures : a multi-country analysis, ( Ket. Bab. 42 ) ( halaman 565-572 ). : Geneva: WHO, 2003
MLA Format
Ke Xu; ( et al ) . Health systems...: Understanding household catastrophic health expenditures : a multi-country analysis, ( Ket. Bab. 42 ) ( halaman 565-572 ). : Geneva: WHO, 2003,
Australian/Harvard Format
Ke Xu; ( et al ) . . Health systems...: Understanding household catastrophic health expenditures : a multi-country analysis, ( Ket. Bab. 42 ) ( halaman 565-572 ). Geneva: WHO, 2003, 
Warning: These citations may not always be 100% accurate.