Philippines. Congress (1987- ). Senate & Philippines. Congress (1987- ). Senate. Publication and Editorial Division. (1989). Republic of the Philippines, Congress of the Philippines, Senate, information brochure. Senate, Congress of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Congress (1987- ). Senate और Philippines. Congress (1987- ). Senate. Publication and Editorial Division. Republic of the Philippines, Congress of the Philippines, Senate, Information Brochure. Manila: Senate, Congress of the Philippines, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Congress (1987- ). Senate और Philippines. Congress (1987- ). Senate. Publication and Editorial Division. Republic of the Philippines, Congress of the Philippines, Senate, Information Brochure. Senate, Congress of the Philippines, 1989.