Gaya APA
EF Trailblazers 5A. (2004).
Switzerland:
English First.
Gaya Chicago
EF Trailblazers 5A.
.
Switzerland:
English First,
2004.
Text.
Gaya MLA
EF Trailblazers 5A.
.
Switzerland:
English First,
2004.
Text.
Gaya Turabian
EF Trailblazers 5A.
Switzerland:
English First,
2004.
Print.