(1994). THE CAMBRIDGE ENCYCLOPEDIA (2.). CAMBRIDGE UNIVERSITY PRESS.
Chicago Style aipamenaTHE CAMBRIDGE ENCYCLOPEDIA. 2. BRITAIN: CAMBRIDGE UNIVERSITY PRESS, 1994.
MLA aipamenaTHE CAMBRIDGE ENCYCLOPEDIA. 2. CAMBRIDGE UNIVERSITY PRESS, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.