Gaya APA
Lumbantoruan. (2017).
Unsur Gallium .
TANJUNG PINANG, KEPRI:
Umrah Press.
Gaya Chicago
Lumbantoruan.
Unsur Gallium.
TANJUNG PINANG, KEPRI:
Umrah Press,
2017.
Text.
Gaya MLA
Lumbantoruan.
Unsur Gallium.
TANJUNG PINANG, KEPRI:
Umrah Press,
2017.
Text.
Gaya Turabian
Lumbantoruan.
Unsur Gallium.
TANJUNG PINANG, KEPRI:
Umrah Press,
2017.
Print.