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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlalia, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOlalia, 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.
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