Citazione Stile APA (7a Edizione)
Acklam, R., & Burgess, S. (2001). First Certificate Gold. Teacher's Book: New Edition (4th impression.). Longman.
Citazione stile Chigago Style (17a edizione)
Acklam, Richard, e Sally Burgess. First Certificate Gold. Teacher's Book: New Edition. 4th impression. Harlow: Longman, 2001.
Citatione MLA (9a ed.)
Acklam, Richard, e Sally Burgess. First Certificate Gold. Teacher's Book: New Edition. 4th impression. Longman, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.