Ipsen, D. (2004). High Speed-Urbanismus. ARCH+.
Cita Chicago (17th ed.)Ipsen, Detlev. "High Speed-Urbanismus." ARCH+ 2004.
Cita MLA (8th ed.)Ipsen, Detlev. "High Speed-Urbanismus." ARCH+, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.