Gaya APA

ACI, . (1997). ACI manual of concrete practice 1997. Part 4 Bridges, substructures, sanitary, and other special structures structural properties . : ACI.

Gaya MLA

ACI, . "ACI manual of concrete practice 1997. Part 4 Bridges, substructures, sanitary, and other special structures structural properties". : ACI, 1997. Globe.