Gaya APA

Sidabalok, J, J. (2019). An analysis of students's fricative mastery at gread VIII SMP Kartini 2 Batam : skripsi . Batam: Universitas Riau Kepulauan Batam.

Gaya MLA

Sidabalok, Jhon, Jepri. "An analysis of students's fricative mastery at gread VIII SMP Kartini 2 Batam : skripsi". Batam: Universitas Riau Kepulauan Batam, 2019. Text.