Gaya APA

Agustina, I. (2017). The influence role-play technique on students' speaking skill at ninth grade students of smp giri taruna . Bogor: Universitas Muhammadiyah Bogor Raya.

Gaya MLA

Agustina, Ineu. "The influence role-play technique on students' speaking skill at ninth grade students of smp giri taruna". Bogor: Universitas Muhammadiyah Bogor Raya, 2017. Text.