Gaya APA
Tumijo, et al.. (2009).
TOEFL (Cet.1).
Yogyakarta:
Pustaka Widyatama.
Gaya Chicago
Tumijo, et al..
TOEFL.
Cet.1
Yogyakarta:
Pustaka Widyatama,
2009.
Text.
Gaya MLA
Tumijo, et al..
TOEFL.
Cet.1
Yogyakarta:
Pustaka Widyatama,
2009.
Text.
Gaya Turabian
Tumijo, et al..
TOEFL.
Cet.1
Yogyakarta:
Pustaka Widyatama,
2009.
Print.