Gaya APA

TIONO, N, I., YOSTANTO, A, M. (2008). A Study of English Phonological Errors Produced by English Department Students . Surabaya: Petra Christian University.

Gaya MLA

TIONO, Nani, Indrajani., YOSTANTO, Arlene, Maria. "A Study of English Phonological Errors Produced by English Department Students". Surabaya: Petra Christian University, 2008. Artikel.