Gaya APA

Layaalia, I, N., Salik, M. (2015). Students Ability in Writing Argumentative Essay at English Teacher Education Departement of the State Islamic University of Sunan Ampel Surabaya . Surabaya: Fakutas Tarbiyah IAIN Sunan Ampel.

Gaya MLA

Layaalia, Indah, Nova., Salik, Mohammad. "Students Ability in Writing Argumentative Essay at English Teacher Education Departement of the State Islamic University of Sunan Ampel Surabaya". Surabaya: Fakutas Tarbiyah IAIN Sunan Ampel, 2015. Skripsi.