University of the Philippines. Law Center. Division of Continuing Legal Education & Romero, F. R. P. (1975). Labor relations law in transition: Proceedings of the Eleventh Annual Institute on Labor Relations Law, U.P. Law Center, Diliman, Quezon City. U.P. Law Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines. Law Center. Division of Continuing Legal Education और Flerida Ruth P. Romero. Labor Relations Law in Transition: Proceedings of the Eleventh Annual Institute on Labor Relations Law, U.P. Law Center, Diliman, Quezon City. Quezon City: U.P. Law Center, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines. Law Center. Division of Continuing Legal Education और Flerida Ruth P. Romero. Labor Relations Law in Transition: Proceedings of the Eleventh Annual Institute on Labor Relations Law, U.P. Law Center, Diliman, Quezon City. U.P. Law Center, 1975.