Παραπομπή σε μορφή APA (7η εκδ.)

Olalia, A. A. (1944). A comparative study of the Christian constitution of states and the constitution of the Philippine commonwealth. The Catholic University of America Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Olalia, Alexander Ayson. A Comparative Study of the Christian Constitution of States and the Constitution of the Philippine Commonwealth. Washington, D.C: The Catholic University of America Press, 1944.

Παραπομπή σε μορφή MLA (8th εκδ.)

Olalia, Alexander Ayson. A Comparative Study of the Christian Constitution of States and the Constitution of the Philippine Commonwealth. The Catholic University of America Press, 1944.