International Association for Hydraulic Research & American Society of Civil Engineering. Hydraulics Division. Proceedings: Twelfth congress of the International Association for Hydraulic Research September 11-14, 1967. s.n.
Cita Chicago (17th ed.)International Association for Hydraulic Research i American Society of Civil Engineering. Hydraulics Division. Proceedings: Twelfth Congress of the International Association for Hydraulic Research September 11-14, 1967. s.l: s.n.
Cita MLA (9th ed.)International Association for Hydraulic Research i American Society of Civil Engineering. Hydraulics Division. Proceedings: Twelfth Congress of the International Association for Hydraulic Research September 11-14, 1967. s.n.
Atenció: Aquestes cites poden no estar 100% correctes.