Haynes, Colin, author
Aslib, 1995
Buku Teks
Park, William R., author
John Wiley & Sons, 1978
Buku Teks
Clarke, Philip, author
David & Charles, 1973
Buku Teks
Llewellyn-Jones, Derek
Faber and Faber , 1983
Buku Teks
Howard, Billee, author
Perigee Books, 2015
Buku Teks