APA Style
al, E., Prijanto, M. (1992).
The clinical trial of DPT heat-stable vaccine (Final report) .
Jakarta:
Communicable disease research centre, NIHRD.
MLA Style
al, Et., Prijanto, Muljati.
"The clinical trial of DPT heat-stable vaccine (Final report)".
Jakarta:
Communicable disease research centre, NIHRD,
1992.
print.