Hailey, Elizabeth Forsythe
Deal Book, 1991
Buku Teks
Giffin, Emily
Ballantine Books, 2014
Buku Teks
McMurtry, Larry
Simon & Schuster, 1999
Buku Teks
Humphrey, William
Alfred A. Knop, 1965
Buku Teks
Foreman, Grant
University of Oklahoma Press, 1973
Buku Teks