Roberts, M. (1974). An Introduction to Town Planning Techniques. Hutchinson & Co (Publishers) Ltd.
Citazione stile Chigago Style (17a edizione)Roberts, Margaret. An Introduction to Town Planning Techniques. London: Hutchinson & Co (Publishers) Ltd, 1974.
Citatione MLA (9a ed.)Roberts, Margaret. An Introduction to Town Planning Techniques. Hutchinson & Co (Publishers) Ltd, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.