Toth, D. B. (1999). City profiles USA 1999: A traveler's guide to major US and Canadian cities (4th ed.). Omnigraphics.
Cita Chicago (17th ed.)Toth, Dawn Bokenkamp. City Profiles USA 1999: A Traveler's Guide to Major US and Canadian Cities. 4th ed. Detroit, Mich: Omnigraphics, 1999.
Cita MLA (9th ed.)Toth, Dawn Bokenkamp. City Profiles USA 1999: A Traveler's Guide to Major US and Canadian Cities. 4th ed. Omnigraphics, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.