Gaya APA
Sutrino. (2013).
How to speak english .
Jakarta:
Wahyumedia.
Gaya Chicago
Sutrino.
How to speak english.
Jakarta:
Wahyumedia,
2013.
Text.
Gaya MLA
Sutrino.
How to speak english.
Jakarta:
Wahyumedia,
2013.
Text.
Gaya Turabian
Sutrino.
How to speak english.
Jakarta:
Wahyumedia,
2013.
Print.