United States of American. (2002). Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill.
シカゴスタイル引用形United States of American. Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill, 2002.
MLA引用形式United States of American. Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill, 2002.
警告: この引用は必ずしも正確ではありません.