Seminar on Current Issues Affecting Airlines in the Philippines (1985 : University of the Philippines Law Center) & Cruz, R. C. (1989). Current issues affecting airlines in the Philippines: Proceedings of the Seminar on Current Issues Affecting Airlines in the Philippines, 1985. Law Publishing House, U.P. Law Complex.
Cita Chicago (17th ed.)Seminar on Current Issues Affecting Airlines in the Philippines (1985 : University of the Philippines Law Center) i Romeo C. Cruz. Current Issues Affecting Airlines in the Philippines: Proceedings of the Seminar on Current Issues Affecting Airlines in the Philippines, 1985. Quezon City: Law Publishing House, U.P. Law Complex, 1989.
Cita MLA (9th ed.)Seminar on Current Issues Affecting Airlines in the Philippines (1985 : University of the Philippines Law Center) i Romeo C. Cruz. Current Issues Affecting Airlines in the Philippines: Proceedings of the Seminar on Current Issues Affecting Airlines in the Philippines, 1985. Law Publishing House, U.P. Law Complex, 1989.