Caliwara, C. A. (1963). The exploitation of precast and prestressed concrete in the Philippines. s.n.
Chicagoスタイル(17版)引用形式Caliwara, Cesar A. The Exploitation of Precast and Prestressed Concrete in the Philippines. [S.l: s.n, 1963.
MLA(9版)引用形式Caliwara, Cesar A. The Exploitation of Precast and Prestressed Concrete in the Philippines. s.n, 1963.
警告: この引用は必ずしも正確ではありません.