APA Style
al, E., Sutjipto, . (1993).
Balai penelitian tanaman obat 1992/1993 (laporan penelitian) .
Jakarta:
Puslitbang Farmasi, Badan Litbangkes.
MLA Style
al, Et., Sutjipto, .
"Balai penelitian tanaman obat 1992/1993 (laporan penelitian)".
Jakarta:
Puslitbang Farmasi, Badan Litbangkes,
1993.
print.