Johnson, C. D. (1999). Understanding The grapes of wrath: A student casebook to issues, sources, and historical documents (1. publ.). Greenwood Press.
Chicago-Zitierstil (17. Ausg.)Johnson, Claudia D. Understanding The Grapes of Wrath: A Student Casebook to Issues, Sources, and Historical Documents. 1. publ. Westport, Conn. [u.a.]: Greenwood Press, 1999.
MLA-Zitierstil (9. Ausg.)Johnson, Claudia D. Understanding The Grapes of Wrath: A Student Casebook to Issues, Sources, and Historical Documents. 1. publ. Greenwood Press, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.