Gaya APA

Aryani, W, D. (2015). An analysis on grammatical interferences on students' descriptive writing at the seventh grade of MTsN Kunir Wonodadi Blitar . Kediri: STAIN KEDIRI.

Gaya MLA

Aryani, Widya, Desi. "An analysis on grammatical interferences on students' descriptive writing at the seventh grade of MTsN Kunir Wonodadi Blitar". Kediri: STAIN KEDIRI, 2015. Text.