Gaya APA
KUSUMA, A.
(2014).
The pocket book of toefl (Test of english as a foreign language)
.
Yogyakarta:
Istana Media.
Gaya MLA
KUSUMA, Ari.
"The pocket book of toefl (Test of english as a foreign language)".
Yogyakarta:
Istana Media,
2014.
BUKU.