Lewis, J. P. (1962). Notes on the nurture of country planning. Bureau of Business Research.
Lua i Stíl Chicago (17ú heag.)Lewis, John Prior. Notes on the Nurture of Country Planning. [Bloomington]: Bureau of Business Research, 1962.
Lua MLA (9ú heag.)Lewis, John Prior. Notes on the Nurture of Country Planning. Bureau of Business Research, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.