Παραπομπή APA

Mortimer J Alder. (1990). Great Books of the Western World (v.50) (2ed.). Enclopaedia Britannica Inc..

Παραπομπή Chicago Style

Mortimer J Alder. Great Books of the Western World (v.50). 2ed. Chicago: Enclopaedia Britannica Inc., 1990.

Παραπομπή MLA

Mortimer J Alder. Great Books of the Western World (v.50). 2ed. Enclopaedia Britannica Inc., 1990.