Gaya APA

Ningrum, A, S, B. (2012). Scaffolding strategy in the process of writing to imptove the students' writing ability . Jakarta: Kementerian AgamaRI.

Gaya MLA

Ningrum, Ary, Setya, Budhi. "Scaffolding strategy in the process of writing to imptove the students' writing ability". Jakarta: Kementerian AgamaRI, 2012. Text.