Cita APA (7th ed.)

Burgess, S., & Newbrook, J. (2014). Gold first: Exam maximiser with key. Pearson Longman.

Cita Chicago (17th ed.)

Burgess, Sally, i Jacky Newbrook. Gold First: Exam Maximiser with Key. Harlow: Pearson Longman, 2014.

Cita MLA (8th ed.)

Burgess, Sally, i Jacky Newbrook. Gold First: Exam Maximiser with Key. Pearson Longman, 2014.