Citazione Stile APA (7a Edizione)
Koenig-Latham, C., Oxenden, C., & Chomacki, K. (2023). English File: Upper Intermediate Student's Book with Online Practice - 4th Edition (4. vyd.). Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Koenig-Latham, Christina, Clive Oxenden, e Kate Chomacki. English File: Upper Intermediate Student's Book with Online Practice - 4th Edition. 4. vyd. Oxford: Oxford University Press, 2023.
Citatione MLA (9a ed.)
Koenig-Latham, Christina, et al. English File: Upper Intermediate Student's Book with Online Practice - 4th Edition. 4. vyd. Oxford University Press, 2023.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.