Thomas, D. (1970). London's green belt ; containment in practice. Faber and Faber.
Cita Chicago (17th ed.)Thomas, David. London's Green Belt ; Containment in Practice. London: Faber and Faber, 1970.
Cita MLA (9th ed.)Thomas, David. London's Green Belt ; Containment in Practice. Faber and Faber, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.