Gaya APA
Riyanto, S. (2011).
English For Your Better Future : Speak English Please 2 (cet. 3).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"English For Your Better Future : Speak English Please 2".
cet. 3
Yogyakarta:
Pustaka Pelajar,
2011.
NonFiksi.