Ohio State University. Department of Rural Economics. (1941). Mimeograph bulletin. The Dept..
Lua i Stíl Chicago (17ú heag.)Ohio State University. Department of Rural Economics. Mimeograph Bulletin. Columbus, Ohio: The Dept., 1941.
Lua MLA (8ú heag.)Ohio State University. Department of Rural Economics. Mimeograph Bulletin. The Dept., 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.