Gaya APA

insani, S, &, A, B. (-). Focus on grammar : an introductory course for reference and practice (-). Bekasi: STMIK & Akademi Bina Insani.

Gaya MLA

insani, Stmik, &, Akademi, Bina. "Focus on grammar : an introductory course for reference and practice". - Bekasi: STMIK & Akademi Bina Insani, -. UMUM.