English as a global
Buku Teks
Sambrook, G.A.
English language
Longmans, Green, 1947
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Global english in the humanities? alongitudinal citation study of foreign-language use by humanities scholars Charlene Kellsey and Jennifer Knievel
Artikel Jurnal
English this way English Language Services.
London Collier-Macmillan 1965,
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Greenbaum, Sidney
A students grammar of the English language
Longman , 1990
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