APA citiranje

(2008). Barron’s ielts international English language testing sytem (Kèm theo CD1-2/912-13).

Trích dẫn kiểu Chicago

Barron’s Ielts International English Language Testing Sytem (Kèm Theo CD1-2/912-13). 2008.

MLA citiranje

Barron’s Ielts International English Language Testing Sytem (Kèm Theo CD1-2/912-13). 2008.

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