Friends of the Land (U.S.). (1941). The Land. Friends of the Land.
Lua i Stíl Chicago (17ú heag.)Friends of the Land (U.S.). The Land. Washington, D.C.: Friends of the Land, 1941.
Lua MLA (8ú heag.)Friends of the Land (U.S.). The Land. Friends of the Land, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.