McCleneghan, T. J. (1957). Douglas, Arizona: An economic report.
Lua i Stíl Chicago (17ú heag.)McCleneghan, Thomas J. Douglas, Arizona: An Economic Report. Tucson, 1957.
Lua MLA (8ú heag.)McCleneghan, Thomas J. Douglas, Arizona: An Economic Report. 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.