APA Style
al, E., Soemartono, . (1994).
Health development structres in district health systems .
Surabaya:
Puslitbang Yantekkes, Badan Litbangkes.
MLA Style
al, Et., Soemartono, .
"Health development structres in district health systems".
Surabaya:
Puslitbang Yantekkes, Badan Litbangkes,
1994.
print.