Hobson, A. (2003). The Oxford Dictionary of Difficult Words. Oxford.
Chicagoスタイル(17版)引用形式Hobson, Archie. The Oxford Dictionary of Difficult Words. New Delhi: Oxford, 2003.
MLA(9版)引用形式Hobson, Archie. The Oxford Dictionary of Difficult Words. Oxford, 2003.
警告: この引用は必ずしも正確ではありません.