Pahl, R. (1970). Patterns of urban life. Longmans, Green.
Cita Chicago (17th ed.)Pahl, R.E. Patterns of Urban Life. London: Longmans, Green, 1970.
Cita MLA (9th ed.)Pahl, R.E. Patterns of Urban Life. Longmans, Green, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.