Giedion, S. (1954). Walter Gropius: Work and teamwork. Reinhold.
Cita Chicago (17th ed.)Giedion, Sigfried. Walter Gropius: Work and Teamwork. Nueva York: Reinhold, 1954.
Cita MLA (9th ed.)Giedion, Sigfried. Walter Gropius: Work and Teamwork. Reinhold, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.