Gaya APA

Kasali, R., Pertiwi, W, E. (2019). Students Strategies In Overcoming Speaking English Difficulties (-). Purwokerto: FKIP UMP.

Gaya MLA

Kasali, Rhenald., Pertiwi, Wijiasih, Eka. "Students Strategies In Overcoming Speaking English Difficulties". - Purwokerto: FKIP UMP, 2019. Text.