Gaya APA
Skills booklet : CEF level: advanced (c1) 2010-2011. (2010).
Jakarta:
Kesaint Blanc.
Gaya Chicago
Skills booklet : CEF level: advanced (c1) 2010-2011.
.
Jakarta:
Kesaint Blanc,
2010.
Text.
Gaya MLA
Skills booklet : CEF level: advanced (c1) 2010-2011.
.
Jakarta:
Kesaint Blanc,
2010.
Text.
Gaya Turabian
Skills booklet : CEF level: advanced (c1) 2010-2011.
Jakarta:
Kesaint Blanc,
2010.
Print.