English Teaching Division. (1971). Carl Sandburg: His life, his poems, his land. United States Information Agency.
Chicago-Zitierstil (17. Ausg.)English Teaching Division. Carl Sandburg: His Life, His Poems, His Land. Washington, D.C: United States Information Agency, 1971.
MLA-Zitierstil (9. Ausg.)English Teaching Division. Carl Sandburg: His Life, His Poems, His Land. United States Information Agency, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.