Grisham, John, author
London: Arrow, 1993
Buku Teks
Maxwell, John C., author
Menuju Insan Cemerlang, 2014
Buku Teks
Waite, Helen Elmira
Macrae Smith Company, 1961
Buku Teks
O`Hanlon, Redmond, author
Penguin Books , 1996
Buku Teks
Pease, Barbara, author
PT Gramedia Pustaka Utama, 2018
Buku Teks