APA引文

Cunningham, S. (2004). American cutting egde: Students' book. Hong Kong: Longman Asia ELT.

Trích dẫn kiểu Chicago

Cunningham, Sarrah. American Cutting Egde: Students' Book. Hong Kong: Longman Asia ELT, 2004.

MLA引文

Cunningham, Sarrah. American Cutting Egde: Students' Book. Hong Kong: Longman Asia ELT, 2004.

警告：這些引文格式不一定是100％准確.