Siegan, B. H. (1972). Land use without zoning. Lexington Books.
Cita Chicago (17th ed.)Siegan, Bernard H. Land Use Without Zoning. Lexington, Mass: Lexington Books, 1972.
Cita MLA (9th ed.)Siegan, Bernard H. Land Use Without Zoning. Lexington Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.