APA استشهاد

Allen, G. (1959). British industries and their organization/ 4e (4th Ed.). Longmans Green.

استشهاد بنمط شيكاغو

Allen, G.C. British Industries and Their Organization/ 4e. 4th Ed. London: Longmans Green, 1959.

MLA استشهاد

Allen, G.C. British Industries and Their Organization/ 4e. 4th Ed. Longmans Green, 1959.