English Teaching Division. (1971). Carl Sandburg: His life, his poems, his land. United States Information Agency.
Style de citation Chicago (17e éd.)English Teaching Division. Carl Sandburg: His Life, His Poems, His Land. Washington, D.C: United States Information Agency, 1971.
Style de citation MLA (9e éd.)English Teaching Division. Carl Sandburg: His Life, His Poems, His Land. United States Information Agency, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.