APA

Allan J. P. B., . (1978). English in foucs. Oxford: Oxford University Press.

Chicago

Allan J P B, . 1978. English in foucs. Oxford: Oxford University Press.

Harvard

Allan J. P. B., . (1978). English in foucs. Oxford: Oxford University Press.

MLA

Allan J P B, . English in foucs. Oxford: Oxford University Press. 1978.