Датотека:Quark structure proton.svgAttribution-Share Alike 2.5 truetrue English Colored graphic of a proton. Three quarks are bound by the strong force, mediated by gluons. Russian Кварковая
Датотека:Quark structure pion.svgMade by Arpad Horvath. See also File:Quark structure neutron.svg and File:Quark structure proton.svg. I, the copyright holder of this work, hereby publish
Датотека:Quark structure neutron.svgMade by Arpad Horvath. See also File:Quark structure pion.svg and File:Quark structure proton.svg I, the copyright holder of this work, hereby publish