Gaya APA
Riyanto, S.
(2016).
Toeic Preparation, tets of English Communication
(
Ed. 1)
.
Yogyakarta:
Andi.
Gaya MLA
Riyanto, Slamet.
"Toeic Preparation, tets of English Communication".
Ed. 1
Yogyakarta:
Andi,
2016.
Text.