Citazione Stile APA (7a Edizione)

Harding, K., & Taylor, L. (2005). International express: Intermediate : Class CDs. Oxford University press.

Citazione stile Chigago Style (17a edizione)

Harding, Keith, e Liz Taylor. International Express: Intermediate : Class CDs. Oxford: Oxford University press, 2005.

Citatione MLA (8a ed.)

Harding, Keith, e Liz Taylor. International Express: Intermediate : Class CDs. Oxford University press, 2005.