Groves, Kursty., author
Wiley , 2010
Buku Teks
Kleon, Austin, author
Noura Books, 2015
Buku Teks
McFarlane, Mhairi, author
PT Gramedis Pustaka Utama, 2012
Buku Teks
Holden, Greg, author
John Wiley & Sons, 2013
Buku Teks
Kuriloff, Arthur H., author
McGraw-Hill, 1983
Buku Teks