Παραπομπή σε μορφή APA (7η εκδ.)

Operations and Policy Research, inc., Washington, D.C. Institute for the Comparative Study of Political Systems. (1966). Uruguay election factbook. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Operations and Policy Research, inc., Washington, D.C. Institute for the Comparative Study of Political Systems. Uruguay Election Factbook. [Washington: s.n, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Operations and Policy Research, inc., Washington, D.C. Institute for the Comparative Study of Political Systems. Uruguay Election Factbook. s.n, 1966.