Παραπομπή APA

Billington, D. P. (1983). The tower and the bridge: The new art of structural engineering. Princeton NJ.: Princeton University Press.

Παραπομπή Chicago Style

Billington, David P. The Tower and the Bridge: The New Art of Structural Engineering. Princeton NJ.: Princeton University Press, 1983.

Παραπομπή MLA

Billington, David P. The Tower and the Bridge: The New Art of Structural Engineering. Princeton NJ.: Princeton University Press, 1983.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.