Heghin, M., & Thomas, F. O. (1937). Manual for Steps to citizenship. Works Progress Administration, Adult Education Project, University of Chicago.
Chicago-Zitierstil (17. Ausg.)Heghin, Mary, und Frances O. Thomas. Manual for Steps to Citizenship. Chicago: Works Progress Administration, Adult Education Project, University of Chicago, 1937.
MLA-Zitierstil (8. Ausg.)Heghin, Mary, und Frances O. Thomas. Manual for Steps to Citizenship. Works Progress Administration, Adult Education Project, University of Chicago, 1937.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.