Gaya APA

Riyanto, S., Riyanto, S. (). Gateway English Through Stories: A Successful Foregn Language Guide (Cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet., Riyanto, Slamet. "Gateway English Through Stories: A Successful Foregn Language Guide". Cet. 1 Yogyakarta: Pustaka Pelajar, . Text.