-. (1995). The new encyclopaedia britannica vol. 11: Micropaedia(ready reference).-- 15th edition. Encyclopaedia Britannica.
Chicago Style aipamena-. The New Encyclopaedia Britannica Vol. 11: Micropaedia(ready Reference).-- 15th Edition. Chicago: Encyclopaedia Britannica, 1995.
MLA aipamena-. The New Encyclopaedia Britannica Vol. 11: Micropaedia(ready Reference).-- 15th Edition. Encyclopaedia Britannica, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.