APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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