Gripaldo, R. M. Laurel: The political philosopher and the man. Philippine studies..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGripaldo, Rolando M. "Laurel: The Political Philosopher and the Man." Philippine Studies. .
एमएलए (9वां संस्करण) प्रशस्ति पत्रGripaldo, Rolando M. "Laurel: The Political Philosopher and the Man." Philippine Studies., .
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