Gaya APA

AZIFAH, A. (2009). The efforts of english teacer in improving students' english achievement at the thrid year of SMAN 4 Kediri / Azifatul Azifah (2009). Kediri: STAIN KEDIRI.

Gaya MLA

AZIFAH, Azifatul. "The efforts of english teacer in improving students' english achievement at the thrid year of SMAN 4 Kediri / Azifatul Azifah". 2009 Kediri: STAIN KEDIRI, 2009. Text.