John Crowther-Alwyn. (1999). Cambridge copy collection: Business Roles 2: 12 more simulations for Business English. Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形John Crowther-Alwyn. Cambridge Copy Collection: Business Roles 2: 12 More Simulations for Business English. Cambridge, UK: Cambridge Univ. Press, 1999.
MLA引用形式John Crowther-Alwyn. Cambridge Copy Collection: Business Roles 2: 12 More Simulations for Business English. Cambridge, UK: Cambridge Univ. Press, 1999.
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