Kempkey, A. Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 A Concrete Water Tower, Paper No. 1173.
Cita Chicago (17th ed.)Kempkey, A. Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 A Concrete Water Tower, Paper No. 1173.
Cita MLA (9th ed.)Kempkey, A. Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 A Concrete Water Tower, Paper No. 1173.
Atenció: Aquestes cites poden no estar 100% correctes.