Gaya APA

Samboja, G. (2016). Improving Students Writing Ability Through Problem Based Learning : A Study Conducted to Eight Grade Students of SMP PGRI 7 Kota Bogor. . Bogor: FKIP Unpak.

Gaya MLA

Samboja, Guntur/031109182. "Improving Students Writing Ability Through Problem Based Learning : A Study Conducted to Eight Grade Students of SMP PGRI 7 Kota Bogor.". Bogor: FKIP Unpak, 2016. Skripsi English.