APA استشهاد

Dudley, E. E. (1983). The Development of National Library and information services.

استشهاد بنمط شيكاغو

Dudley, Edward; Ed. The Development of National Library and Information Services. London, The Library Association Publishing, 1983.

MLA استشهاد

Dudley, Edward; Ed. The Development of National Library and Information Services. 1983.