Gaya APA

Riyanto, S. (2010). ESSENTIALS OF ENGLISH VOCABULARIES FOR FLUENT SPEAKING (-). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "ESSENTIALS OF ENGLISH VOCABULARIES FOR FLUENT SPEAKING". - Yogyakarta: Pustaka Pelajar, 2010. Buku Inti.