APA Style

(40109040), S, N. (2013). The Effectiveness of Using Collaborative Writing Technique towards Essay Writing Ability: an Experimental Study Conducted on Seventh Grade Students of SMP Ma'arif NU Paguyangan in the Academic Year 2012/2013 . Bumiayu: Sekolah Tinggi Keguruan dan Ilmu Pendidikan Islam.

MLA Style

(40109040), Siti, Nurlaila. "The Effectiveness of Using Collaborative Writing Technique towards Essay Writing Ability: an Experimental Study Conducted on Seventh Grade Students of SMP Ma'arif NU Paguyangan in the Academic Year 2012/2013". Bumiayu: Sekolah Tinggi Keguruan dan Ilmu Pendidikan Islam, 2013. Skripsi.