APA Style

YUNINGSIH, Y., WARDANI, S. (2008). HAPPY WITH ENGLISH (3rd edt). SURAKARTA: ERA PUSTAKA UTAMA.

MLA Style

YUNINGSIH, YUYUN., WARDANI, SUSILO. "HAPPY WITH ENGLISH". 3rd edt SURAKARTA: ERA PUSTAKA UTAMA, 2008. Text.