Broadbent, G., Bunt, R., & Jencks, C. (1980). Signs, symbols, and architecture. Wiley.
Cita Chicago (17th ed.)Broadbent, Geoffrey, Richard Bunt, i Charles Jencks. Signs, Symbols, and Architecture. Chichester, [Eng.]: Wiley, 1980.
Cita MLA (9th ed.)Broadbent, Geoffrey, et al. Signs, Symbols, and Architecture. Wiley, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.