Gaya APA
TOEFL ITP Assessment Series: Practice Tests Volume 1. (s.a).
Jakarta:
Erlangga.
Gaya Chicago
TOEFL ITP Assessment Series: Practice Tests Volume 1.
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Jakarta:
Erlangga,
s.a.
Text.
Gaya MLA
TOEFL ITP Assessment Series: Practice Tests Volume 1.
.
Jakarta:
Erlangga,
s.a.
Text.
Gaya Turabian
TOEFL ITP Assessment Series: Practice Tests Volume 1.
Jakarta:
Erlangga,
s.a.
Print.