Gaya APA

Oktianingsih, R, F., Mukti, W, T. (2020). A Survey Of Listening Problem Encountered By Efl Students (-). Purwokerto: FKIP UMP.

Gaya MLA

Oktianingsih, Resta, Fatmawati., Mukti, Widya, Trisna. "A Survey Of Listening Problem Encountered By Efl Students". - Purwokerto: FKIP UMP, 2020. Text.