APA aipamena

Humphreys, P. (2006). IELTS express: Intermediate. London: Thomson.

Chicago Style aipamena

Humphreys, Pamela. IELTS Express: Intermediate. London: Thomson, 2006.

MLA aipamena

Humphreys, Pamela. IELTS Express: Intermediate. London: Thomson, 2006.

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