National Conference on Public Administration (4th : 1992 : Quezon City), Tapales, P. D., Pilar, N. N., & Romblon, L. D. (1995). Public administration by the year 2000: Looking back into the future. College of Public Administration, University of the Philippines, and U.P. Press.

National Conference on Public Administration (4th : 1992 : Quezon City), Proserpina Domingo Tapales, Nestor N. Pilar, and Leonora D. Romblon. Public Administration by the Year 2000: Looking Back into the Future. Quezon City: College of Public Administration, University of the Philippines, and U.P. Press, 1995.

National Conference on Public Administration (4th : 1992 : Quezon City), et al. Public Administration by the Year 2000: Looking Back into the Future. College of Public Administration, University of the Philippines, and U.P. Press, 1995.