Willis, K. G. (1986). Contemporary Issues in Town Planning. Gower Publishing Company Limited.
Cita Chicago (17th ed.)Willis, K. G. Contemporary Issues in Town Planning. Aldershot, Hampshire: Gower Publishing Company Limited, 1986.
Cita MLA (9th ed.)Willis, K. G. Contemporary Issues in Town Planning. Gower Publishing Company Limited, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.