APA Style
penulis, T.
(1977).
WHO VRCRU Report for may, June and July 1977
.
Semarang:
WHO/VRCRU.
MLA Style
penulis, Tanpa.
"WHO VRCRU Report for may, June and July 1977".
Semarang:
WHO/VRCRU,
1977.
print.