Pack, J. R. (2005). Sunbelt/frostbelt: Public policies and market forces in metropolitan development. Brookings Institution Press.
芝加哥风格引文Pack, Janet Rothenberg. Sunbelt/frostbelt: Public Policies and Market Forces in Metropolitan Development. Washington, D.C.: Brookings Institution Press, 2005.
MLA引文Pack, Janet Rothenberg. Sunbelt/frostbelt: Public Policies and Market Forces in Metropolitan Development. Brookings Institution Press, 2005.
警告：这些引文格式不一定是100％准确.