Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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