Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, G. Contribution of Catholic education to American life. National Catholic Welfare Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, George. Contribution of Catholic Education to American Life. Washington, D.C.: National Catholic Welfare Conference.

Παραπομπή σε μορφή MLA (8th εκδ.)

Johnson, George. Contribution of Catholic Education to American Life. National Catholic Welfare Conference.