Sandburg, C. (1969). Abraham Lincoln: The prairie years. Mladinska Knjiga.
Chicagoスタイル(17版)引用形式Sandburg, Carl. Abraham Lincoln: The Prairie Years. Liubliana: Mladinska Knjiga, 1969.
MLA(9版)引用形式Sandburg, Carl. Abraham Lincoln: The Prairie Years. Mladinska Knjiga, 1969.
警告: この引用は必ずしも正確ではありません.