Jones, B. G. (1960). The theory of the urban economy ;: Origins and development with emphasis on intraurban distribution of population and economic activity. Chapel Hill: University of North Carolina.

Jones, Barclay Gibbs. The Theory of the Urban Economy ;: Origins and Development With Emphasis On Intraurban Distribution of Population and Economic Activity. Chapel Hill: University of North Carolina, 1960.

Jones, Barclay Gibbs. The Theory of the Urban Economy ;: Origins and Development With Emphasis On Intraurban Distribution of Population and Economic Activity. Chapel Hill: University of North Carolina, 1960.