Crystal, D. The past, present, and future of world Englisch: David Crystal. Globalization and the future of German : with a select bibliography.(2004).
Chicagoスタイル(17版)引用形式Crystal, David. "The Past, Present, and Future of World Englisch: David Crystal." Globalization and the Future of German : With a Select Bibliography.(2004) .
MLA(8版)引用形式Crystal, David. "The Past, Present, and Future of World Englisch: David Crystal." Globalization and the Future of German : With a Select Bibliography.(2004), .
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