Neal, Steve
Dubleday, 1978
Buku Teks
Lyons, Eugene, author
Doubleday, 1948
Buku Teks
Goodwin, Doris Kearns, author
St. Martin`s Griffin, 1991
Buku Teks
Mooney, Booth, author
Farrar, Straus, 1964
Buku Teks
Janda, Kenneth, author
Houghton Mifflin, 2000
Buku Teks