Gaya APA
Kusuma, A.
(2021).
The Pocket Book of TOEFL
(
cet. 1)
.
yogyakarta:
Istana Media.
Gaya MLA
Kusuma, Ari.
"The Pocket Book of TOEFL".
cet. 1
yogyakarta:
Istana Media,
2021.
Buku.