APA Citatie

Harding, K., & Wallwork, A. (2007). International express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press.

Chicago Style citaat

Harding, Keith, en Adrian Wallwork. International Express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press, 2007.

MLA citatie

Harding, Keith, en Adrian Wallwork. International Express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.