United States of American. (2002). Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill.
Trích dẫn kiểu ChicagoUnited States of American. Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill, 2002.
ציטוט MLAUnited States of American. Open Court Reading - Challenge Workbook - Grade 6. NewYork: Mc Graw-Hill, 2002.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.