Gaya APA

Dowie, M, D, D, G. (2014). English Elevantor International 3 (student Book) . : PT Astra Ilmu Sukses.

Gaya MLA

Dowie, Michael, Dan, David, Gray. "English Elevantor International 3 (student Book)". : PT Astra Ilmu Sukses, 2014. teks.