Gaya APA
Fitrini, Erna, Ratih Sumiratingratri. (2009).
I Speak English (2009).
Bekasi:
Cahaya Pustaka Raca.
Gaya Chicago
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2009
Bekasi:
Cahaya Pustaka Raca,
2009.
Text.
Gaya MLA
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2009
Bekasi:
Cahaya Pustaka Raca,
2009.
Text.
Gaya Turabian
Fitrini, Erna, Ratih Sumiratingratri.
I Speak English.
2009
Bekasi:
Cahaya Pustaka Raca,
2009.
Print.