Gaya APA
HAKIM, M, R., BAHARI, A, I.
(2016).
Let's Speak Advanced Level
.
Yogyakarta:
Deepublish.
Gaya MLA
HAKIM, M.Arif, Rahman., BAHARI, Agustina, Indah.
"Let's Speak Advanced Level".
Yogyakarta:
Deepublish,
2016.
UMUM.