APA

Allen J. . P. . B., . (1973). The Edinburgh Course in Applied Linguistics. Oxford: Oxford University Press.

Chicago

Allen J P B, . 1973. The Edinburgh Course in Applied Linguistics. Oxford: Oxford University Press.

Harvard

Allen J. . P. . B., . (1973). The Edinburgh Course in Applied Linguistics. Oxford: Oxford University Press.

MLA

Allen J P B, . The Edinburgh Course in Applied Linguistics. Oxford: Oxford University Press. 1973.