APA Style

RIYANTO, S. (2010). Developing Vocabulary Skills (Book 2); At Home, In the Kitchen, At the office, in a factory, at hotel, at the bank, at the hospitals, etc . Yogyakarta: Pustaka Pelajar.

MLA Style

RIYANTO, SLAMEt. "Developing Vocabulary Skills (Book 2); At Home, In the Kitchen, At the office, in a factory, at hotel, at the bank, at the hospitals, etc". Yogyakarta: Pustaka Pelajar, 2010. Text.