Gaya APA
Skills booklet CEF level: B1: advanced (c1) 2011-2012. (2011).
Jakarta:
Kesaint Blank.
Gaya Chicago
Skills booklet CEF level: B1: advanced (c1) 2011-2012.
.
Jakarta:
Kesaint Blank,
2011.
Text.
Gaya MLA
Skills booklet CEF level: B1: advanced (c1) 2011-2012.
.
Jakarta:
Kesaint Blank,
2011.
Text.
Gaya Turabian
Skills booklet CEF level: B1: advanced (c1) 2011-2012.
Jakarta:
Kesaint Blank,
2011.
Print.