APA aipamena

Portland Cement Association. (1959). Design of highway bridges in prestressed concrete. Portland Cement Association.

Chicago Style aipamena

Portland Cement Association. Design of Highway Bridges in Prestressed Concrete. Chicago: Portland Cement Association, 1959.

MLA aipamena

Portland Cement Association. Design of Highway Bridges in Prestressed Concrete. Portland Cement Association, 1959.