Gaya APA
The Official Guide To The TOEFL Test, 5th Edition (CD). (2018).
New York:
McGraw Hill.
Gaya Chicago
The Official Guide To The TOEFL Test, 5th Edition (CD).
.
New York:
McGraw Hill,
2018.
Koleksi Multimedia / CD-ROM.
Gaya MLA
The Official Guide To The TOEFL Test, 5th Edition (CD).
.
New York:
McGraw Hill,
2018.
Koleksi Multimedia / CD-ROM.
Gaya Turabian
The Official Guide To The TOEFL Test, 5th Edition (CD).
New York:
McGraw Hill,
2018.
Koleksi Multimedia / CD-ROM.