Gaya APA

Toyyibah, . (2011). Fossilized phonological errors made by students of english department STAIN Kediri / Toyyibah (Cet. 1). Kediri: STAIN KEDIRI.

Gaya MLA

Toyyibah, . "Fossilized phonological errors made by students of english department STAIN Kediri / Toyyibah". Cet. 1 Kediri: STAIN KEDIRI, 2011. Text.