BETTELHEIM, C. (1959). Studies in the theory of planning. Asia pub.
Cita Chicago (17th ed.)BETTELHEIM, Charles. Studies in the Theory of Planning. Bombay: Asia pub, 1959.
Cita MLA (9th ed.)BETTELHEIM, Charles. Studies in the Theory of Planning. Asia pub, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.