Tim Berners-Lee, Roy T. Fielding, Larry Masinter. (January 2005). "Uniform Resource Identifier (URI): Generic Syntax". Internet Society. RFC3986; STD 66.
ietf.org
Berners-Lee, T.; Fielding, R. (January 2005). „Uniform Resource Identifier (URI): Generic Syntax”. Network Working Group. Pristupljeno 2014-09-05. »The term "Uniform Resource Locator" (URL) refers to the subset of URIs that, in addition to identifying a resource, provide a means of locating the resource by describing its primary access mechanism (e.g., its network "location").«
RFC 1738 Uniform Resource Locators (URL). This RFC is now obsolete. It has been superseded by a newer RFC (see the RFC Index)
tools.ietf.org
„RFC 3986: Uniform Resource Identifier (URI): Generic Syntax”. Network Working group of the IETF. January 2005. str. 40. Pristupljeno 2013-04-24. »[...] the scheme and host are case-insensitive [...] The other generic syntax components are assumed to be case-sensitive unless specifically defined otherwise by the scheme [...]«
