National Conference on Public Administration 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 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 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.