Παραπομπή σε μορφή APA (7η εκδ.)

Mortara, G. (1964). Characteristics of the demographic structure of the American Union, 1964. Pan American Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mortara, Giorgio. Characteristics of the Demographic Structure of the American Union, 1964. Washington: Pan American Union, 1964.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mortara, Giorgio. Characteristics of the Demographic Structure of the American Union, 1964. Pan American Union, 1964.