Gaya APA
Science Library : space. (2004).
Batam:
CV. PUSTAKA INDONESIA.
Gaya Chicago
Science Library : space.
.
Batam:
CV. PUSTAKA INDONESIA,
2004.
FIKSI.
Gaya MLA
Science Library : space.
.
Batam:
CV. PUSTAKA INDONESIA,
2004.
FIKSI.
Gaya Turabian
Science Library : space.
Batam:
CV. PUSTAKA INDONESIA,
2004.
FIKSI.