APA Style
al, E., Prijanto, M. (1992).
Final report the clinical trial of DPT heat-stable vaccine .
Jakarta:
Puslitbang Pemberantasan Penyakit, Badan Litbangkes.
MLA Style
al, Et., Prijanto, Muljati.
"Final report the clinical trial of DPT heat-stable vaccine".
Jakarta:
Puslitbang Pemberantasan Penyakit, Badan Litbangkes,
1992.
print.