Hobson, A. e. (2001). The Oxford dictionary of difficult words. O.U.P.
Chicagoスタイル(17版)引用形式Hobson, Archie ed. The Oxford Dictionary of Difficult Words. New York: O.U.P, 2001.
MLA(9版)引用形式Hobson, Archie ed. The Oxford Dictionary of Difficult Words. O.U.P, 2001.
警告: この引用は必ずしも正確ではありません.