APA

Hornby A., Cowie A., . (1989). Oxford advanced learner's dictionary of current English. Oxford: [Oxford University Press].

Chicago

Hornby AJ, Cowie AP, . 1989. Oxford advanced learner's dictionary of current English. Oxford: [Oxford University Press].

Harvard

Hornby A., Cowie A., . (1989). Oxford advanced learner's dictionary of current English. Oxford: [Oxford University Press].

MLA

Hornby AJ, Cowie AP, . Oxford advanced learner's dictionary of current English. Oxford: [Oxford University Press]. 1989.