Gaya APA
Lougheed, Lin. (2013).
Barron's TOEIC (6th.).
USA:
Barron's.
Gaya Chicago
Lougheed, Lin.
Barron's TOEIC.
6th.
USA:
Barron's,
2013.
Koleksi Multimedia / CD-ROM.
Gaya MLA
Lougheed, Lin.
Barron's TOEIC.
6th.
USA:
Barron's,
2013.
Koleksi Multimedia / CD-ROM.
Gaya Turabian
Lougheed, Lin.
Barron's TOEIC.
6th.
USA:
Barron's,
2013.
Koleksi Multimedia / CD-ROM.