McCallum, A., Strong, W., & Thoburn, T. (1998). Language arts today (Classic edition.). McGraw-Hill School Division.
Chicago-viite (17. p.)McCallum, Ann, William Strong, ja Tina Thoburn. Language Arts Today. Classic edition. New York: McGraw-Hill School Division, 1998.
MLA-viite (8. p.)McCallum, Ann, et al. Language Arts Today. Classic edition. McGraw-Hill School Division, 1998.
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