Singer, H. (2001). Globalization, technology and trade in the 21st century. B.R Publishing Corporation.
Trích dẫn kiểu ChicagoSinger, Hans. Globalization, Technology and Trade in the 21st Century. New Delhi: B.R Publishing Corporation, 2001.
Trích dẫn MLASinger, Hans. Globalization, Technology and Trade in the 21st Century. B.R Publishing Corporation, 2001.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.