Wellington, P. (1995). Shaping up your English. Allyn & Bacon.
Chicagoスタイル(17版)引用形式Wellington, Pat. Shaping Up Your English. Boston: Allyn & Bacon, 1995.
MLA(9版)引用形式Wellington, Pat. Shaping Up Your English. Allyn & Bacon, 1995.
警告: この引用は必ずしも正確ではありません.