APA Style

Idris, A. (2011). Pronunciation Practice (for English Leaners) (-). Surabaya: Surabaya: UMSurabaya,.

MLA Style

Idris, Ahmad. "Pronunciation Practice (for English Leaners)". - Surabaya: Surabaya: UMSurabaya,, 2011. Pend. BHS.Inggris.