APA Style
penulis, T. (1979).
Progress report for November, December 1978 and January 1979 .
Jakarta:
Puslitbang Ekologi Kesehatan, Badan Litbangkes.
MLA Style
penulis, Tanpa.
"Progress report for November, December 1978 and January 1979".
Jakarta:
Puslitbang Ekologi Kesehatan, Badan Litbangkes,
1979.
print.