Gaya APA
Kardimin, D, A.
(2008).
Perfect Structure for Better TOEFL
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Kardimin, Drs., Akh..
"Perfect Structure for Better TOEFL".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.