CHOUDHARY B. K. (1997). FOREIGN TRADE AND FOREIGN EXCHANGE. HIMALAYA PUBLISHING HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCHOUDHARY B. K. FOREIGN TRADE AND FOREIGN EXCHANGE. MUMBAI: HIMALAYA PUBLISHING HOUSE, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCHOUDHARY B. K. FOREIGN TRADE AND FOREIGN EXCHANGE. HIMALAYA PUBLISHING HOUSE, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.