Gaya APA
.Essential English for Foreign Student.;..;..;..;.Longmans. ().
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Gaya Chicago
.Essential English for Foreign Student.;..;..;..;.Longmans.
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Gaya MLA
.Essential English for Foreign Student.;..;..;..;.Longmans.
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Gaya Turabian
.Essential English for Foreign Student.;..;..;..;.Longmans.
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