Gaya APA

Ur, P., Wright, A. (2007). Five-minute activities : a resource book of short activities / Penny Ur and Andrew Wright (Cet. 20). Cambridge: Cambridge University Press.

Gaya MLA

Ur, Penny., Wright, Andrew.. "Five-minute activities : a resource book of short activities / Penny Ur and Andrew Wright". Cet. 20 Cambridge: Cambridge University Press, 2007. Buku.