Gaya APA

Soraya, I., Kusumasari, D. (2011). Using letters to improve the junior high school students'english writing ability at the eighth grade in SMP 2 Buduran - Sidoarjo : Dian Kusumasari; pembimbing: Irma Soraya . Surabaya: Fakultas Tarbiyah.

Gaya MLA

Soraya, Irma.., Kusumasari, Dian. "Using letters to improve the junior high school students'english writing ability at the eighth grade in SMP 2 Buduran - Sidoarjo : Dian Kusumasari; pembimbing: Irma Soraya". Surabaya: Fakultas Tarbiyah, 2011. Skripsi.