Gaya APA
Kardimin, A.
(2011).
Perfect Structure For Better TOEFL
.
YOGYAKARTA:
Aveeroes Pustaka Pelajar.
Gaya MLA
Kardimin, Akh.
"Perfect Structure For Better TOEFL".
YOGYAKARTA:
Aveeroes Pustaka Pelajar,
2011.
Referensi.