Gaya APA

barker, C., mitchell, L. (2014). Cambridge global english for cambridge secondary 1 english as a second language workbook 8 (Ed 1). United Kingdom (Cambridge): Cambridge university press.

Gaya MLA

barker, Chris., mitchell, Libby. "Cambridge global english for cambridge secondary 1 english as a second language workbook 8". Ed 1 United Kingdom (Cambridge): Cambridge university press, 2014. Text.