Baach, C., & Christel Baach; Joseph Merrill. (1994). Speak to me: Comprehensive interactive video learning system,song ngữ Anh Việt. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh.
Chicago ZitierstilBaach, Christel, und Christel Baach; Joseph Merrill. Speak to Me: Comprehensive Interactive Video Learning System,song Ngữ Anh Việt. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1994.
MLA ZitierstilBaach, Christel, und Christel Baach; Joseph Merrill. Speak to Me: Comprehensive Interactive Video Learning System,song Ngữ Anh Việt. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.