APA Style
Official Guide to the TOEFL ITP Test. (2014).
:
Erlangga.
Chicago Style
Official Guide to the TOEFL ITP Test.
2.
:
Erlangga,
2014.
Buku Teks.
MLA Style
Official Guide to the TOEFL ITP Test.
2.
:
Erlangga,
2014.
Buku Teks.
Turabian Style
Official Guide to the TOEFL ITP Test.
:
Erlangga,
2014.
Buku Teks.