Robert E Walsh. (1992). Basic adult survival English: Anh ngữ cho người xuất cảnh. Tp. HCM: Trẻ.
শিকাগো স্টাইলে সাইটেশনRobert E Walsh. Basic Adult Survival English: Anh Ngữ Cho Người Xuất Cảnh. Tp. HCM: Trẻ, 1992.
এমএলএ সাইটেশনRobert E Walsh. Basic Adult Survival English: Anh Ngữ Cho Người Xuất Cảnh. Tp. HCM: Trẻ, 1992.
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