Gaya APA
Riyanto, S. (2008).
Seribu (1000) Selected Verbs Used In Speaking English (cet.1).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"Seribu (1000) Selected Verbs Used In Speaking English".
cet.1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.