APA Style
Widyantoro, A. et al (1996).
Respiratory System and Lung Faal Disturbance in Public Cleaning Service Employee (Gangguan Sistem Pernafasan dan Faal Paru pada Petugas Kebersihan Kota) .
:
.
MLA Style
Widyantoro, Anto. et al.
"Respiratory System and Lung Faal Disturbance in Public Cleaning Service Employee (Gangguan Sistem Pernafasan dan Faal Paru pada Petugas Kebersihan Kota)".
:
,
1996.
Text.