Lua APA (7ú heag.)

Iowa State College. Extension Service. (1934). Extension circular. Iowa State College of Agriculture and Mechanic Arts.

Lua i Stíl Chicago (17ú heag.)

Iowa State College. Extension Service. Extension Circular. Ames, Iowa: Iowa State College of Agriculture and Mechanic Arts, 1934.

Lua MLA (8ú heag.)

Iowa State College. Extension Service. Extension Circular. Iowa State College of Agriculture and Mechanic Arts, 1934.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.