Gaya APA
Sofia, G. (1992).
Information needs of health researchers at the national institute of health research and development, Ministry of Health Indonesia .
Camberra:
The University of Camberra.
Gaya MLA
Sofia, Gustina.
"Information needs of health researchers at the national institute of health research and development, Ministry of Health Indonesia".
Camberra:
The University of Camberra,
1992.
print.