Style de citation APA (7e éd.)

Caliwara, C. A. (1963). The exploitation of precast and prestressed concrete in the Philippines. s.n.

Style de citation Chicago (17e éd.)

Caliwara, Cesar A. The Exploitation of Precast and Prestressed Concrete in the Philippines. [S.l: s.n, 1963.

Style de citation MLA (9e éd.)

Caliwara, Cesar A. The Exploitation of Precast and Prestressed Concrete in the Philippines. s.n, 1963.