APA aipamena

Allsop, J., & Aspinall, P. (2001). Cambridge Practice Test for Bec 1: Level one. Business English Certificate. Tp. Hồ Chí Minh: Nxb. Trẻ.

Chicago Style aipamena

Allsop, Jake, và Patricia Aspinall. Cambridge Practice Test for Bec 1: Level One. Business English Certificate. Tp. Hồ Chí Minh: Nxb. Trẻ, 2001.

MLA aipamena

Allsop, Jake, và Patricia Aspinall. Cambridge Practice Test for Bec 1: Level One. Business English Certificate. Tp. Hồ Chí Minh: Nxb. Trẻ, 2001.