Gaya APA

Varikha, T, S. (2011). Factors contributing towards the different achievement of English of RSBI and Reguler student of SMPN 4 Kediri/ Tri Susanti Varikha . Kediri: Jurusan Tarbiyah STAIN Kediri.

Gaya MLA

Varikha, Tri, Susanti. "Factors contributing towards the different achievement of English of RSBI and Reguler student of SMPN 4 Kediri/ Tri Susanti Varikha". Kediri: Jurusan Tarbiyah STAIN Kediri, 2011. Text.