Roberts, M. (1974). An Introduction to Town Planning Techniques. Hutchinson & Co (Publishers) Ltd.
Cita Chicago (17th ed.)Roberts, Margaret. An Introduction to Town Planning Techniques. London: Hutchinson & Co (Publishers) Ltd, 1974.
Cita MLA (9th ed.)Roberts, Margaret. An Introduction to Town Planning Techniques. Hutchinson & Co (Publishers) Ltd, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.