Sheerin S., Seath J. & White G. (1997). Spotlight on Britani. Oxford: Oxford University Press.
Sheerin S, Seath J and White G. 1997. Spotlight on Britani. Oxford: Oxford University Press.
Sheerin S., Seath J. and White G. (1997). Spotlight on Britani. Oxford: Oxford University Press.
Sheerin S, Seath J and White G. Spotlight on Britani. Oxford: Oxford University Press. 1997.