(1999). All About Direct Loans. U.S. Department of Education.
Chicagoスタイル(17版)引用形式All About Direct Loans. U.S. Department of Education, 1999.
MLA(9版)引用形式All About Direct Loans. U.S. Department of Education, 1999.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式