Gaya APA
penulis, T. (1977).
VRCRU Progress report for June, July and August 1977 .
Jakarta:
Puslitbang Ekologi Kesehatan, Badan Litbangkes.
Gaya MLA
penulis, Tanpa.
"VRCRU Progress report for June, July and August 1977".
Jakarta:
Puslitbang Ekologi Kesehatan, Badan Litbangkes,
1977.
print.