Gaya APA
Learning, ILT. (2007).
Student Guide Series .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Learning, ILT.
Student Guide Series.
Jakarta:
Elex Media Komputindo,
2007.
Text.
Gaya MLA
Learning, ILT.
Student Guide Series.
Jakarta:
Elex Media Komputindo,
2007.
Text.
Gaya Turabian
Learning, ILT.
Student Guide Series.
Jakarta:
Elex Media Komputindo,
2007.
Print.