APA (7th ed.) Citation

Philippine Prestressed Concrete Company, Inc. (1969). Philippine pioneer in prestressed concrete, 1968-1969. s.n.].

Chicago Style (17th ed.) Citation

Philippine Prestressed Concrete Company, Inc. Philippine Pioneer in Prestressed Concrete, 1968-1969. [Marikina Heights, Rizal: s.n.], 1969.

MLA (9th ed.) Citation

Philippine Prestressed Concrete Company, Inc. Philippine Pioneer in Prestressed Concrete, 1968-1969. s.n.], 1969.