Dun & Bradstreet Rating Agency Bangladesh & Hazra, B. D. Bangladesh's top 500 companies (First edition.).
芝加哥风格引文Dun & Bradstreet Rating Agency Bangladesh 与 Bithika Das Hazra. Bangladesh's Top 500 Companies. First edition.
MLA引文Dun & Bradstreet Rating Agency Bangladesh 与 Bithika Das Hazra. Bangladesh's Top 500 Companies. First edition.
警告：这些引文格式不一定是100％准确.