Gaya APA
Khusnah, W, D., Hanafi, M. (2015).
Learning Strategis and proficiency level in essay writing at english teacher education departement UIN Sunan Ampel Surabaya .
Surabaya:
Fakultas Ilmu Tarbiyah dan Keguruan UINSA.
Gaya MLA
Khusnah, Wakhibah, Dwi., Hanafi, M..
"Learning Strategis and proficiency level in essay writing at english teacher education departement UIN Sunan Ampel Surabaya".
Surabaya:
Fakultas Ilmu Tarbiyah dan Keguruan UINSA,
2015.
Skripsi.