Fisher, D. (1963). Graded comprehension for advanced students. Longman.
Chicagoスタイル(17版)引用形式Fisher, David. Graded Comprehension for Advanced Students. London: Longman, 1963.
MLA(9版)引用形式Fisher, David. Graded Comprehension for Advanced Students. Longman, 1963.
警告: この引用は必ずしも正確ではありません.