Dennis, T. L. (1968). Engineering societies in the life of a country: A series of lectures commemorating the 15th anniversary of the foundation of the Institution of Civil Engineers. London: The Institution of Civil Engineers.
Παραπομπή Chicago StyleDennis, T. L. Engineering Societies in the Life of a Country: A Series of Lectures Commemorating the 15th Anniversary of the Foundation of the Institution of Civil Engineers. London: The Institution of Civil Engineers, 1968.
Παραπομπή MLADennis, T. L. Engineering Societies in the Life of a Country: A Series of Lectures Commemorating the 15th Anniversary of the Foundation of the Institution of Civil Engineers. London: The Institution of Civil Engineers, 1968.
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