The world has changed :
can planning change? /
by Manuel Castells.

APA Citation

Castells, M., Association of Collegiate Schools of Planning (U.S.). Meeting (1990 : Austin, T., University of Texas at Austin. Graduate Program in Community and Regional Planning. (1990). The world has changed: can planning change? [Austin, Tex.]: Graduate Program in Community and Regional Planning, University of Texas at Austin, School of Architecture.

MLA Citation

Castells, Manuel, Tex.) Association of Collegiate Schools of Planning (U.S.). Meeting (1990 : Austin, and University of Texas at Austin. Graduate Program in Community and Regional Planning. The World Has Changed: Can Planning Change? [Austin, Tex.]: Graduate Program in Community and Regional Planning, University of Texas at Austin, School of Architecture, 1990.