Gaya APA

Wahartin, Y, F. (2018). The effect of clustering technique towards students' writing skill in descriptive text at eighth grade of mts cendikia muslim . Bogor: Universitas Muhammadiyah Bogor Raya.

Gaya MLA

Wahartin, Yuni, Fajar. "The effect of clustering technique towards students' writing skill in descriptive text at eighth grade of mts cendikia muslim". Bogor: Universitas Muhammadiyah Bogor Raya, 2018. Text.