Gaya APA
Riyanto, S.
(2016).
1000 Selected Verbs Used in Speaking English
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"1000 Selected Verbs Used in Speaking English".
Yogyakarta:
Pustaka Pelajar,
2016.
Text.