Gaya APA
Riyanto, S.
(2009).
English For Your Better Future : Speak English, Please 3
(
2)
.
Jogjakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"English For Your Better Future : Speak English, Please 3".
2
Jogjakarta:
Pustaka Pelajar,
2009.
Text.