434607 Billington, D. P. (1983). The tower and the bridge: The new art of structural engineering. New York : Basic Bks..
Chicago-viite (17. p.)434607 Billington, David P. The Tower and the Bridge: The New Art of Structural Engineering. New York : Basic Bks., 1983.
MLA-viite (9. p.)434607 Billington, David P. The Tower and the Bridge: The New Art of Structural Engineering. New York : Basic Bks., 1983.
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