- ANSI/IEEE Std 754-1985: IEEE Standard for Binary Floating-Point Arithmetic. Institute of Electrical and Electronic Engineers, New York (1985)
- The Unicode Consortium. The Unicode Standard, Version 3.0, defined by: The Unicode Standard, Version 3.0 (Boston, MA, Addison-Wesley, 2000. ISBN 0-201-61635-5)
- Unicode Inc. (1998), Unicode Technical Report #15: Unicode Normalization Forms
- ISO 8601:2004(E) Data elements and interchange formats - Information interchange -- Representation of dates and times
- RFC 1738 “Uniform Resource Locators (URL)”, available at http://tools.ietf.org/html/rfc1738
- RFC 2396 “Uniform Resource Identifiers (URI): Generic Syntax”, available at http://tools.ietf.org/html/rfc2396
- RFC 3629 “UTF-8, a transformation format of ISO 10646”, available at http://tools.ietf.org/html/rfc3629
- RFC 4627 “The application/json Media Type for JavaScript Object Notation (JSON)” , available at http://tools.ietf.org/html/rfc4627