Cita APA (7a ed.)
Acklam, R., & Burgess, S. (2001). First Certificate Gold. Coursebook: New Edition (4th impression.). Longman.
Cita Chicago Style (17a ed.)
Acklam, Richard, y Sally Burgess. First Certificate Gold. Coursebook: New Edition. 4th impression. Harlow: Longman, 2001.
Cita MLA (9a ed.)
Acklam, Richard, y Sally Burgess. First Certificate Gold. Coursebook: New Edition. 4th impression. Longman, 2001.
Precaución: Estas citas no son 100% exactas.