(1997). The tariff and the list of the imports-exports (The latest document coming into effect since August 1, 1998). Hà Nội: Statistics.
शिकागो स्टाइल उद्धरणThe Tariff and the List of the Imports-exports (The Latest Document Coming Into Effect Since August 1, 1998). Hà Nội: Statistics, 1997.
एमएलए उद्धरणThe Tariff and the List of the Imports-exports (The Latest Document Coming Into Effect Since August 1, 1998). Hà Nội: Statistics, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.