Gaya APA

sidabutar, F. (2021). Students' perception toward duolingo application as media in learning english ( descriptive researh at the eleventh grade Sma Negeri 8 batam in academic year 2020/2021) Skripsi . Batam: Universitas Riau Kepulauan.

Gaya MLA

sidabutar, Fitri. "Students' perception toward duolingo application as media in learning english ( descriptive researh at the eleventh grade Sma Negeri 8 batam in academic year 2020/2021) Skripsi". Batam: Universitas Riau Kepulauan, 2021. Text.