Gaya APA
Pt. Scheing-Plough Indonesia Tbk Pandaan. (2011).
:
.
Gaya Chicago
Pt. Scheing-Plough Indonesia Tbk Pandaan.
.
:
,
2011.
.
Gaya MLA
Pt. Scheing-Plough Indonesia Tbk Pandaan.
.
:
,
2011.
.
Gaya Turabian
Pt. Scheing-Plough Indonesia Tbk Pandaan.
:
,
2011.
.