Civilian Conservation Corps (U.S.). Company 572. (1937). Yellowstone Lake mirror. Company 572 CCC].
Lua i Stíl Chicago (17ú heag.)Civilian Conservation Corps (U.S.). Company 572. Yellowstone Lake Mirror. [Wyoming: Company 572 CCC], 1937.
Lua MLA (8ú heag.)Civilian Conservation Corps (U.S.). Company 572. Yellowstone Lake Mirror. Company 572 CCC], 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.