APA

Brown P. C., Mullen N. D., . (1989). English for computer science. London: Oxford university press.

Chicago

Brown P Charles, Mullen Norma D, . 1989. English for computer science. London: Oxford university press.

Harvard

Brown P. C., Mullen N. D., . (1989). English for computer science. London: Oxford university press.

MLA

Brown P Charles, Mullen Norma D, . English for computer science. London: Oxford university press. 1989.