Xicheng, Hannah Beech (29 January 2001). "China's Infant Cash Crop". Time Pacific. Archived from the original on 28 January 2001. Retrieved 13 July 2010.
Xicheng, Hannah Beech (29 January 2001). "China's Infant Cash Crop". Time Pacific. Archived from the original on 28 January 2001. Retrieved 13 July 2010.