Gaya APA

kusumaningtias, R, D., siswana, M, P. (2013). The Readability Of Reading Texts In English Textbook "English In Focus" For The Eighth Grade Students Of SMP Negeri 176 West Jakarta In 2012/2013 Academic YeAR . Jakarta: -.

Gaya MLA

kusumaningtias, Retno, Dian., siswana, M., Pd. "The Readability Of Reading Texts In English Textbook "English In Focus" For The Eighth Grade Students Of SMP Negeri 176 West Jakarta In 2012/2013 Academic YeAR". Jakarta: -, 2013. Text.