Lewis, J. P. (1962). Notes on the nurture of country planning. Bureau of Business Research.
Chicago-referens (17:e uppl.)Lewis, John Prior. Notes on the Nurture of Country Planning. [Bloomington]: Bureau of Business Research, 1962.
MLA-referens (9:e uppl.)Lewis, John Prior. Notes on the Nurture of Country Planning. Bureau of Business Research, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.