[1] Naik D. C., INTERNET standardy a protokoly. První vydání. Computer Press, Praha, 1999, ISBN 80-7226-146-0

[2] Berners-Lee T. [MIT/LCS], Fielding R.[UC Irvine], Frystyk H. [MIT/LCS],
      RFC 1945 Hypertext Transfer Protocol -- HTTP/1.0, ftp://ftp.isi.edu/in-notes/rfc1945.txt

[3] Fielding R. [UC Irvine], Gettys J. [DEC], Mogul J. [DEC], Frystyk H. [MIT/LCS], Berners-Lee T. [MIT/LCS],
      RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1, ftp://ftp.isi.edu/in-notes/rfc2068.txt

[4] Postel, J., and Reynolds J.,
      RFC 959 File Transfer Protocol (FTP), ftp://ftp.isi.edu/in-notes/rfc959.txt

[5] Crocker D. H.,
      RFC 822 Standard for the Format of ARPA Internet Text Messages, ftp://ftp.isi.edu/in-notes/rfc822.txt