Campoli, Julie, and Alex McLean. Visualizing Density Higher Density Catalog Images, 9.1-134.5 units per acre. Rep. Cambridge: Lincoln Institute of Land Policy, 2002.

Chan, Claire. Measuring Physical Density. Thesis. Massachusetts Institute of Technology, 1999. Cambridge: MIT, 1999.

Churchman, Azra. "Disentangling the Concept of Density." Journal of Planning Literature 13.4 (1999): 389-411.

Forsyth, Ann. Measuring Density: Working Definitions for Residential Density and Building Intensity. Minneapolis: Design Center for American Urban Landscape, 2003.

Fouchier, Vincent, and Pierre Merlin. High Urban Densities: A Solution for Our Cities? Rep. Hong Kong: Consulate General of France in Hong Kong, 1994.

Lee, N. A Culture of Confinement: On the Spatial Restriction of Everyday Life. Rep. Ed. Stephen HK Chan. Hong Kong: University of Hong Kong, 1992.

Rapoport, Amos. "Toward a Definition of Density." Environment and Behavior 7.2 (1975): 133-58.

Rosow, Irving. "The Social Effects of the Physical Environment." Journal of the American Institute of Planners 27.2 (1961): 127-40.

Schmitt, Robert. "Implications of Density in Hong Kong." AIP Journal (1963): 210-17.

Yeung, Yue-Man. "High-rise, High-density Housing: Myths and Reality." Habitat International 2.5/6 (1977): 587-94.

S.S.Y. Lau, et al. Multiple and intensive land use: case studies in Hong Kong. Habitat International 2004.

Ann A. Sorenson and J. Dixon Esseks. “Living on the Edge: The Costs and Risks of Scatter Development.” American Farmland Trust. (1999) (a summary of the original research)

Ken Snyder and Lori Bird. “Paying the Costs of Sprawl: Using Fair-Share Costing to Control Sprawl.” U.S. Department of Energy's Center of Excellence for Sustainable Development. (1998)