Lua APA (7ú heag.)

Não informado. (1923). Farm economics. Cornell University, New York State College of Agriculture.

Lua i Stíl Chicago (17ú heag.)

Não informado. Farm Economics. Ithaca, NY: Cornell University, New York State College of Agriculture, 1923.

Lua MLA (8ú heag.)

Não informado. Farm Economics. Cornell University, New York State College of Agriculture, 1923.

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