Gaya APA

Kurniawan, R., Hidayat, D, A. (2007). Let's Go With English 6: Kelas 6SD (I - 1). Bogor: Yudhistira.

Gaya MLA

Kurniawan, Rita., Hidayat, Dhany, Arief. "Let's Go With English 6: Kelas 6SD". I - 1 Bogor: Yudhistira, 2007. Text.