Gaya APA
Rumapea, Linus. ().
English for computer .
Medan:
Catholic University of St.Thomas.
Gaya Chicago
Rumapea, Linus.
English for computer.
Medan:
Catholic University of St.Thomas,
.
Text.
Gaya MLA
Rumapea, Linus.
English for computer.
Medan:
Catholic University of St.Thomas,
.
Text.
Gaya Turabian
Rumapea, Linus.
English for computer.
Medan:
Catholic University of St.Thomas,
.
Print.