APA-referens

Cornelsen. (2009). Interactive language course Business English: Socializing and Small talk. Tp.HCM: Tổng hợp Tp.Hcm; Công ty TNHH Nhân Trí Việt.

Chicago-stil citat

Cornelsen. Interactive Language Course Business English: Socializing and Small Talk. Tp.HCM: Tổng hợp Tp.Hcm; Công ty TNHH Nhân Trí Việt, 2009.

MLA-referens

Cornelsen. Interactive Language Course Business English: Socializing and Small Talk. Tp.HCM: Tổng hợp Tp.Hcm; Công ty TNHH Nhân Trí Việt, 2009.

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