APA aipamena

Metropolitan Waterworks and Sewerage System. (1972). Annual report 1971. MWSS.

Chicago Style aipamena

Metropolitan Waterworks and Sewerage System. Annual Report 1971. Manila: MWSS, 1972.

MLA aipamena

Metropolitan Waterworks and Sewerage System. Annual Report 1971. MWSS, 1972.