Gaya APA

tjahjono, A., m.pd, F, T. (2016). The Effectiveness of Using Text-to-Speech in Teaching Pronunciation Focusing on Centring Diphthongs at The Seventh Grade Students of SMP N 249 West Jakarta in the 2014/2015 Academic Year. . Jakarta: .

Gaya MLA

tjahjono, Achmad., m.pd, Fidaniar, Tiarsiwi,. "The Effectiveness of Using Text-to-Speech in Teaching Pronunciation Focusing on Centring Diphthongs at The Seventh Grade Students of SMP N 249 West Jakarta in the 2014/2015 Academic Year.". Jakarta: , 2016. Text.