Παραπομπή APA

Cowie, A. P. H. (1989). Oxford Advanced Learner's Dictionary.

Παραπομπή Chicago Style

Cowie, A P; Hornby. Oxford Advanced Learner's Dictionary. Oxford University Press, 1989.

Παραπομπή MLA

Cowie, A P; Hornby. Oxford Advanced Learner's Dictionary. 1989.