Daniel J. Mortlock, Stephen J. Warren, Bram P. Venemans, Mitesh Patel, Paul C. Hewett, Richard G. McMahon, Chris Simpson, Tom Theuns, Eduardo A. Gonzáles-Solares, Andy Adamson, Simon Dye, Nigel C. Hambly, Paul Hirst, Mike J. Irwin, Ernst Kuiper, Andy Lawrence & Huub J. A. Röttgering. A luminous quasar at a redshift of z = 7.085. „Nature”. 474, s. 616–619, 2011-06-30. DOI: 10.1038/nature10159. arXiv:1106.6088. (ang.).
Daniel J. Mortlock, Stephen J. Warren, Bram P. Venemans, Mitesh Patel, Paul C. Hewett, Richard G. McMahon, Chris Simpson, Tom Theuns, Eduardo A. Gonzáles-Solares, Andy Adamson, Simon Dye, Nigel C. Hambly, Paul Hirst, Mike J. Irwin, Ernst Kuiper, Andy Lawrence & Huub J. A. Röttgering. A luminous quasar at a redshift of z = 7.085. „Nature”. 474, s. 616–619, 2011-06-30. DOI: 10.1038/nature10159. arXiv:1106.6088. (ang.).
SteveS.WarrenSteveS. i inni, Photometry of the z=7.08 quasar ULAS J1120+0641, adsabs.harvard.edu, maj 2011, Bibcode: 2011sptz.prop80114W [dostęp 2011-07-01](ang.). Brak numerów stron w książce