Παραπομπή σε μορφή APA (7η εκδ.)

Gannon, T. M. (1987). The Catholic challenge to the American economy: Reflections on the U.S. bishops' pastoral letter on Catholic social teaching and the U.S. economy. Macmillan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gannon, Thomas M. The Catholic Challenge to the American Economy: Reflections on the U.S. Bishops' Pastoral Letter on Catholic Social Teaching and the U.S. Economy. New York: Macmillan, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gannon, Thomas M. The Catholic Challenge to the American Economy: Reflections on the U.S. Bishops' Pastoral Letter on Catholic Social Teaching and the U.S. Economy. Macmillan, 1987.