Allsop, J., Aspinall, P., Nguyễn Văn Phước, & First News. (2001). Cambridge practice test for BEC 2 (2001 edtion.). Tp. Hồ Chí Minh: Nxb. Trẻ.
استشهاد بنمط شيكاغوAllsop, Jake., Patricia Aspinall, Nguyễn Văn Phước, و First News. Cambridge Practice Test for BEC 2. 2001 edtion. Tp. Hồ Chí Minh: Nxb. Trẻ, 2001.
MLA استشهادAllsop, Jake., Patricia Aspinall, Nguyễn Văn Phước, و First News. Cambridge Practice Test for BEC 2. 2001 edtion. Tp. Hồ Chí Minh: Nxb. Trẻ, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.