Poppendieck. Breadlines Knee-Deep in Wheat. University of California Press.
Lua i Stíl Chicago (17ú heag.)Poppendieck. Breadlines Knee-Deep in Wheat. University of California Press.
Lua MLA (9ú heag.)Poppendieck. Breadlines Knee-Deep in Wheat. University of California Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.