APA-referens

Không rõ. (2003). Cambridge first certificate examination practice 1: University of Cambridge Local Examinations Syndicate. TP Hồ Chí Minh.

Chicago-stil citat

Không rõ. Cambridge First Certificate Examination Practice 1: University of Cambridge Local Examinations Syndicate. TP Hồ Chí Minh, 2003.

MLA-referens

Không rõ. Cambridge First Certificate Examination Practice 1: University of Cambridge Local Examinations Syndicate. TP Hồ Chí Minh, 2003.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.