Gaya APA
ETS, Educational Testing Service. (2010).
Toefl ITP Assessment Series - Practice Tests Volume 1 (Edisi 1).
:
Erlangga.
Gaya Chicago
ETS, Educational Testing Service.
Toefl ITP Assessment Series - Practice Tests Volume 1.
Edisi 1
:
Erlangga,
2010.
Text.
Gaya MLA
ETS, Educational Testing Service.
Toefl ITP Assessment Series - Practice Tests Volume 1.
Edisi 1
:
Erlangga,
2010.
Text.
Gaya Turabian
ETS, Educational Testing Service.
Toefl ITP Assessment Series - Practice Tests Volume 1.
Edisi 1
:
Erlangga,
2010.
Print.