APA aipamena

Nguyễn, Q. H. (2008). Speak naturally 2: Programmes 11-20. TH.HCM.

Chicago Style aipamena

Nguyễn, Quốc Hùng. Speak Naturally 2: Programmes 11-20. TH.HCM, 2008.

MLA aipamena

Nguyễn, Quốc Hùng. Speak Naturally 2: Programmes 11-20. TH.HCM, 2008.

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