National Waterworks and Sewerage Authority. (1957). Report. 1st-16th 1955/56-1970. Bureau of Printing.
Chicago Style (17th ed.) CitationNational Waterworks and Sewerage Authority. Report. 1st-16th 1955/56-1970. Manila: Bureau of Printing, 1957.
MLA (9th ed.) CitationNational Waterworks and Sewerage Authority. Report. 1st-16th 1955/56-1970. Bureau of Printing, 1957.
Warning: These citations may not always be 100% accurate.