Universal serial bus interfaces for data and power - Part 1: Universal serial bus specification, Revision 2.0 (IEC 62680-1:2013); English version EN 62680-1:2013— 753 стр.
Universal Serial Bus interfaces for data and power - Part 1: Universal Serial Bus Specification (IEC 100/1981/CDV:2012); English version FprEN 62680-1:2012