Harman, O'Donnell and Henninger Associates, Inc. (1961). New approaches to residential land development: A study of concepts and innovations. Urban Land Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Harman, O'Donnell and Henninger Associates, Inc. New Approaches to Residential Land Development: A Study of Concepts and Innovations. [Washington: Urban Land Institute, 1961.
Παραπομπή σε μορφή MLA (9th εκδ.)Harman, O'Donnell and Henninger Associates, Inc. New Approaches to Residential Land Development: A Study of Concepts and Innovations. Urban Land Institute, 1961.
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