Marlin, J. T., & Kleine, A. (1992). The livable cities almanac. HarperPerennial.
Cita Chicago (17th ed.)Marlin, John Tepper, i Andrea Kleine. The Livable Cities Almanac. New York, N.Y: HarperPerennial, 1992.
Cita MLA (9th ed.)Marlin, John Tepper, i Andrea Kleine. The Livable Cities Almanac. HarperPerennial, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.