Citazione Stile APA (7a Edizione)

Metropolitan Waterworks and Sewerage System. (1978). The Metropolitan Waterworks and Sewerage Relations System story. Public Relations Office, Metropolitan Waterworks and Sewerage System].

Citazione stile Chigago Style (17a edizione)

Metropolitan Waterworks and Sewerage System. The Metropolitan Waterworks and Sewerage Relations System Story. [Quezon City: Public Relations Office, Metropolitan Waterworks and Sewerage System], 1978.

Citatione MLA (9a ed.)

Metropolitan Waterworks and Sewerage System. The Metropolitan Waterworks and Sewerage Relations System Story. Public Relations Office, Metropolitan Waterworks and Sewerage System], 1978.