David, Leonard (11. mars 2011). «China Details Ambitious Space Station Goals»(engelsk). SPACE.com. Besøkt 25. september 2011. «China is ready to carry out a multiphase construction program that leads to a large space station around 2020. As a prelude to building that facility, China is set to loft the Tiangong-1 module this year as a platform to help master key rendezvous and docking technologies.»