Unwin, Tim, author
Longman Scientific & Technical, 1992
Buku Teks
Latz, Gil, author
John Wiley & Sons, 1996
Buku Referensi
Mackinnon, Danny, author
Pearson, Prentice Hall, 2007
Buku Teks
Mackinnon, Danny, author
Routledge, 2019
Buku Teks
Getis, Arthur, author
McGraw-Hill Higher Education, 2009
Buku Teks