APA Style
al, E., Lubis, F. (1972).
A description of the Kecamatan Serpong (Family planning project Serpong Indonesia) .
Jakarta:
Universitas Indonesia, Badan Litbangkes.
MLA Style
al, Et., Lubis, Firman.
"A description of the Kecamatan Serpong (Family planning project Serpong Indonesia)".
Jakarta:
Universitas Indonesia, Badan Litbangkes,
1972.
print.