Gaya APA
Riyanto, S.
(2016).
1000 selected verbs used in speaking english
(
Cet. 2)
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"1000 selected verbs used in speaking english".
Cet. 2
Yogyakarta:
Pustaka Pelajar,
2016.
Textbook.