Conrads, U., & Bullock, M. (1970). Programs and manifestoes on 20th-century architecture (1st English language ed.). MIT Press.

Conrads, Ulrich, and Michael Bullock. Programs and Manifestoes on 20th-century Architecture. 1st English language ed. Cambridge, Mass.: MIT Press, 1970.

Conrads, Ulrich, and Michael Bullock. Programs and Manifestoes on 20th-century Architecture. 1st English language ed. MIT Press, 1970.