APA aipamena

(1987). The New Encyclopaedia Britannica Volume 27. The University of Chicago.

Chicago Style aipamena

The New Encyclopaedia Britannica Volume 27. The University of Chicago, 1987.

MLA aipamena

The New Encyclopaedia Britannica Volume 27. The University of Chicago, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.