Παραπομπή σε μορφή APA (7η εκδ.)

Sibley, L. (1960). A comparison of leaders in small, average, and large Sunday schools: Survey of Sunday church school leaders, 1960. Lutheran Church in America.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sibley, L. A Comparison of Leaders in Small, Average, and Large Sunday Schools: Survey of Sunday Church School Leaders, 1960. Philadelphia: Lutheran Church in America, 1960.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sibley, L. A Comparison of Leaders in Small, Average, and Large Sunday Schools: Survey of Sunday Church School Leaders, 1960. Lutheran Church in America, 1960.