APA aipamena

(1990). Great Books of the Western World: Vol.31 (2nd ed.). Encyclopaedia Britannica.

Chicago Style aipamena

Great Books of the Western World: Vol.31. 2nd ed. Chicago: Encyclopaedia Britannica, 1990.

MLA aipamena

Great Books of the Western World: Vol.31. 2nd ed. Encyclopaedia Britannica, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.