APA Format
Ke Xu; ( et al ) . (). Health systems...: Household health system contributions and capacity to pay : definitional, empirical, and technical challenges, ( Ket. Bab. 39 ) ( halaman 533-542 ). : Geneva: WHO, 2003
MLA Format
Ke Xu; ( et al ) . Health systems...: Household health system contributions and capacity to pay : definitional, empirical, and technical challenges, ( Ket. Bab. 39 ) ( halaman 533-542 ). : Geneva: WHO, 2003,
Australian/Harvard Format
Ke Xu; ( et al ) . . Health systems...: Household health system contributions and capacity to pay : definitional, empirical, and technical challenges, ( Ket. Bab. 39 ) ( halaman 533-542 ). Geneva: WHO, 2003, 
Warning: These citations may not always be 100% accurate.