Gaya APA
Toefl ITP assessment series practice tests ( volume 1). (2010).
Jakarta:
erlangga.
Gaya Chicago
Toefl ITP assessment series practice tests ( volume 1).
.
Jakarta:
erlangga,
2010.
Text.
Gaya MLA
Toefl ITP assessment series practice tests ( volume 1).
.
Jakarta:
erlangga,
2010.
Text.
Gaya Turabian
Toefl ITP assessment series practice tests ( volume 1).
Jakarta:
erlangga,
2010.
Print.