Smith, Daniel, author
Michael O'Mara Books Limited, 2015
Buku Teks
Smith, Daniel, author
Michael O'Mara Books Limited, 2021
Buku Teks
McGraw-Hill, [date of publication not identified]
Buku Teks
Heshey, John, 1914-1993, author
McGraw-Hill, 2012
Buku Teks
Stinnett, Bill, author
Elex Media Komputindo, 2005
Buku Teks