Lê Bá Thảo. (1997). Vietnam the country and its geographical regions. Hà Nội: Thế giới.
Παραπομπή Chicago StyleLê Bá Thảo. Vietnam the Country and Its Geographical Regions. Hà Nội: Thế giới, 1997.
Παραπομπή MLALê Bá Thảo. Vietnam the Country and Its Geographical Regions. Hà Nội: Thế giới, 1997.
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