APA

Cowie A., . (1989). Oxford advanced learner's dictionary of current English. New York: Oxford University Press.

Chicago

Cowie A.P, . 1989. Oxford advanced learner's dictionary of current English. New York: Oxford University Press.

Harvard

Cowie A., . (1989). Oxford advanced learner's dictionary of current English. New York: Oxford University Press.

MLA

Cowie A.P, . Oxford advanced learner's dictionary of current English. New York: Oxford University Press. 1989.