Gaya APA
Yuningsih, Yuyun, Wardani, Susilo. (2008).
Happy With English .
Surakarta:
Era Pustaka Utama.
Gaya Chicago
Yuningsih, Yuyun, Wardani, Susilo.
Happy With English.
Surakarta:
Era Pustaka Utama,
2008.
Text.
Gaya MLA
Yuningsih, Yuyun, Wardani, Susilo.
Happy With English.
Surakarta:
Era Pustaka Utama,
2008.
Text.
Gaya Turabian
Yuningsih, Yuyun, Wardani, Susilo.
Happy With English.
Surakarta:
Era Pustaka Utama,
2008.
Print.