Thong, V. Q. (1960). Report on the future plans of the EROPA research, documentation and diffusion centre. Philippine Journal of Public Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThong, Vu Quoc. "Report on the Future Plans of the EROPA Research, Documentation and Diffusion Centre." Philippine Journal of Public Administration 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThong, Vu Quoc. "Report on the Future Plans of the EROPA Research, Documentation and Diffusion Centre." Philippine Journal of Public Administration, 1960.
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