Steinbeck, J. (2000). The Grapes Of Wrath. Penguin.
Lua i Stíl Chicago (17ú heag.)Steinbeck, John. The Grapes Of Wrath. London: Penguin, 2000.
Lua MLA (9ú heag.)Steinbeck, John. The Grapes Of Wrath. Penguin, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.