Steinbeck, J. The grapes of wrath. Peguin Books.
Lua i Stíl Chicago (17ú heag.)Steinbeck, John. The Grapes of Wrath. Peguin Books.
Lua MLA (8ú heag.)Steinbeck, John. The Grapes of Wrath. Peguin Books.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.