APA ציטוט

 Cotton, D. (2010).  Market leader: Upter Intermediate business english course book B2.  Pearson.

Trích dẫn kiểu Chicago

 Cotton, David.  Market Leader: Upter Intermediate Business English Course Book B2.  Pearson, 2010.

ציטוט MLA

 Cotton, David.  Market Leader: Upter Intermediate Business English Course Book B2.  Pearson, 2010.