Gaya APA

Bachtiar, D. (-). A practical english : grammar and exercises (Book two). Surabaya: Bina Indra Karya.

Gaya MLA

Bachtiar, Daud. "A practical english : grammar and exercises". Book two Surabaya: Bina Indra Karya, -. Hibah Buku Dra. Anita Lestari,.