(1992). How they voted: A guide to how your congressmen voted on bills passed in Congress (July 1989-June 1990). Makati Business Club and NAMFREL-Bantay ng Bayan Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHow They Voted: A Guide to How Your Congressmen Voted on Bills Passed in Congress (July 1989-June 1990). Makati: Makati Business Club and NAMFREL-Bantay ng Bayan Foundation, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHow They Voted: A Guide to How Your Congressmen Voted on Bills Passed in Congress (July 1989-June 1990). Makati Business Club and NAMFREL-Bantay ng Bayan Foundation, 1992.
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