Keeble, L. (1952). Principles and practice of town and country planning. Estates Gazette.
Cita Chicago (17th ed.)Keeble, Lewis. Principles and Practice of Town and Country Planning. London: Estates Gazette, 1952.
Cita MLA (9th ed.)Keeble, Lewis. Principles and Practice of Town and Country Planning. Estates Gazette, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.