Gaya APA

Waddell, J, J. (1974). Precast Concrete (Section 8 - Precast and Prestressed Concrete) . : McGraw-Hill, Inc.

Gaya MLA

Waddell, Joseph, J.. "Precast Concrete (Section 8 - Precast and Prestressed Concrete)". : McGraw-Hill, Inc, 1974. Filmstrip.