Gaya APA

Riyadi, S., Sujiyo, . (2008). Eglish for Santri . Yogyakarta: Nurma Media Idea ( NUMEID ).

Gaya MLA

Riyadi, Slamet., Sujiyo, . "Eglish for Santri". Yogyakarta: Nurma Media Idea ( NUMEID ), 2008. Text.