Gaya APA
Riyanto. (2008).
1000 Selected verbs used in speaking english .
Jakarta:
Pustaka Pelajar.
Gaya Chicago
Riyanto.
1000 Selected verbs used in speaking english.
Jakarta:
Pustaka Pelajar,
2008.
Text.
Gaya MLA
Riyanto.
1000 Selected verbs used in speaking english.
Jakarta:
Pustaka Pelajar,
2008.
Text.
Gaya Turabian
Riyanto.
1000 Selected verbs used in speaking english.
Jakarta:
Pustaka Pelajar,
2008.
Print.