Baach, C., & Merrill, J. (1992). Speak to Me: Comprehensive Interactive Video Learning system. Song ngữ Anh Việt. TP.HCM: Trẻ.
Παραπομπή Chicago StyleBaach, Christel, και Joseph Merrill. Speak to Me: Comprehensive Interactive Video Learning System. Song Ngữ Anh Việt. TP.HCM: Trẻ, 1992.
Παραπομπή MLABaach, Christel, και Joseph Merrill. Speak to Me: Comprehensive Interactive Video Learning System. Song Ngữ Anh Việt. TP.HCM: Trẻ, 1992.
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