Harman, O'Donnell and Henninger Associates, Inc. (1961). New approaches to residential land development: A study of concepts and innovations. Urban Land Institute.
Chicago-referens (17:e uppl.)Harman, O'Donnell and Henninger Associates, Inc. New Approaches to Residential Land Development: A Study of Concepts and Innovations. [Washington: Urban Land Institute, 1961.
MLA-referens (9:e uppl.)Harman, O'Donnell and Henninger Associates, Inc. New Approaches to Residential Land Development: A Study of Concepts and Innovations. Urban Land Institute, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.