Gaya APA
Muhilal, ., al, E. (1980).
Therapy of xerophthalmia (laporan penelitian) .
Bogor:
Puslitbang Gizi, Badan Litbangkes.
Gaya MLA
Muhilal, ., al, Et.
"Therapy of xerophthalmia (laporan penelitian)".
Bogor:
Puslitbang Gizi, Badan Litbangkes,
1980.
print.