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.
Lua i Stíl Chicago (17ú heag.)University of the Philippines. Law Center. Division of Continuing Legal Education agus 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.
Lua MLA (9ú heag.)University of the Philippines. Law Center. Division of Continuing Legal Education agus 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.