Pepito, F. R. (2008). The Provincial Water Utilities Act of 1973, as amended: Annotated : with the Water Code of the Philippines & its IRR (PD 1067), the National Water Crisis Act of 1995 (RA 8041) and other relevant laws, executive orders & LOIs. Central Book Supply.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPepito, Francisco R. The Provincial Water Utilities Act of 1973, as Amended: Annotated : With the Water Code of the Philippines & Its IRR (PD 1067), the National Water Crisis Act of 1995 (RA 8041) and Other Relevant Laws, Executive Orders & LOIs. Quezon City: Central Book Supply, 2008.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPepito, Francisco R. The Provincial Water Utilities Act of 1973, as Amended: Annotated : With the Water Code of the Philippines & Its IRR (PD 1067), the National Water Crisis Act of 1995 (RA 8041) and Other Relevant Laws, Executive Orders & LOIs. Central Book Supply, 2008.