Gaya APA

Walley, F., Bate, S, C, C. (1971). A Guide To The B. S. Code Of Practice For Prestressed Concrete . London: Cement and Concrete Association.

Gaya MLA

Walley, F.., Bate, S., C., C.. "A Guide To The B. S. Code Of Practice For Prestressed Concrete". London: Cement and Concrete Association, 1971. Text.