Gaya APA
Toefl ITP Asssessment Series Practice Tests Volume 1. (2010).
Jakarta:
Erlangga.
Gaya Chicago
Toefl ITP Asssessment Series Practice Tests Volume 1.
.
Jakarta:
Erlangga,
2010.
Text.
Gaya MLA
Toefl ITP Asssessment Series Practice Tests Volume 1.
.
Jakarta:
Erlangga,
2010.
Text.
Gaya Turabian
Toefl ITP Asssessment Series Practice Tests Volume 1.
Jakarta:
Erlangga,
2010.
Print.