APA Style
Fitrini, Erna, Ratih Sumiratingratri. (2009).
I Speak English (2).
Jakarta:
Cahaya Pustaka.
Chicago Style
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2
Jakarta:
Cahaya Pustaka,
2009.
Text.
MLA Style
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2
Jakarta:
Cahaya Pustaka,
2009.
Text.
Turabian Style
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2
Jakarta:
Cahaya Pustaka,
2009.
Print.