Gaya APA

Riyanto, S. (2008). 1000 Selected verbs used in speaking english/ Slamet Riyanto . New York: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "1000 Selected verbs used in speaking english/ Slamet Riyanto". New York: Pustaka Pelajar, 2008. Text.