LiveABC. (2011). Tourism english: A hands-on couse for tourism professionals. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনLiveABC. Tourism English: A Hands-on Couse for Tourism Professionals. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty Nhân Trí Việt, 2011.
এমএলএ সাইটেশনLiveABC. Tourism English: A Hands-on Couse for Tourism Professionals. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty Nhân Trí Việt, 2011.
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