APA

Moody P. C., Wilkinson A. J., . (1990). In focus. Oxford: Oxford University Press.

Chicago

Moody Peter C.E, Wilkinson Anthony J, . 1990. In focus. Oxford: Oxford University Press.

Harvard

Moody P. C., Wilkinson A. J., . (1990). In focus. Oxford: Oxford University Press.

MLA

Moody Peter C.E, Wilkinson Anthony J, . In focus. Oxford: Oxford University Press. 1990.