Pack, J. R. (2005). Sunbelt/frostbelt: Public policies and market forces in metropolitan development. Brookings Institution Press.
Cita Chicago (17th ed.)Pack, Janet Rothenberg. Sunbelt/frostbelt: Public Policies and Market Forces in Metropolitan Development. Washington, D.C.: Brookings Institution Press, 2005.
Cita MLA (9th ed.)Pack, Janet Rothenberg. Sunbelt/frostbelt: Public Policies and Market Forces in Metropolitan Development. Brookings Institution Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.