Gaya APA

Riyanto, Slamet. (2008). English For Your Better Future Speak English, Please (Cet.1). Yogyakarta: Pustaka Pelajar.

Gaya Chicago

Riyanto, Slamet. English For Your Better Future Speak English, Please. Cet.1 Yogyakarta: Pustaka Pelajar, 2008. Text.

Gaya MLA

Riyanto, Slamet. English For Your Better Future Speak English, Please. Cet.1 Yogyakarta: Pustaka Pelajar, 2008. Text.

Gaya Turabian

Riyanto, Slamet. English For Your Better Future Speak English, Please. Cet.1 Yogyakarta: Pustaka Pelajar, 2008. Print.