Gaya APA

Riyanto, S, D. (2010). Developing Vocabulary Skills / Slamet Riyanto (Cet.1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet,, Dkk. "Developing Vocabulary Skills / Slamet Riyanto". Cet.1 Yogyakarta: Pustaka Pelajar, 2010. Text.