Co, A. N., Hidalgo, N. P., & Miravalles, L. (1979). Integrated Set of Information Systems (ISIS): Application for computerized storage and retrieval of the presidential issuances, 1972-1977, at the Technology Resource Center.
Cita Chicago (17th ed.)Co, Alice N., Namnama P. Hidalgo, i Lemuel Miravalles. Integrated Set of Information Systems (ISIS): Application for Computerized Storage and Retrieval of the Presidential Issuances, 1972-1977, at the Technology Resource Center. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1979.
Cita MLA (9th ed.)Co, Alice N., et al. Integrated Set of Information Systems (ISIS): Application for Computerized Storage and Retrieval of the Presidential Issuances, 1972-1977, at the Technology Resource Center. 1979.