Ramos, N. R. (1986). Quantitative analysis of the cost structure of potable water supply systems in the Philippines: The case of LWUA water districts. The National Institute of Geological Sciences, College of Science, University of the Philippines.
Cita Chicago (17th ed.)Ramos, Norman R. Quantitative Analysis of the Cost Structure of Potable Water Supply Systems in the Philippines: The Case of LWUA Water Districts. Quezon City: The National Institute of Geological Sciences, College of Science, University of the Philippines, 1986.
Cita MLA (9th ed.)Ramos, Norman R. Quantitative Analysis of the Cost Structure of Potable Water Supply Systems in the Philippines: The Case of LWUA Water Districts. The National Institute of Geological Sciences, College of Science, University of the Philippines, 1986.