Schelling, Thomas C., author
Yale University Press, 1966
Buku Teks
Hemingway, Ernest, 1899-1961, author
Random House, 1993
Buku Teks
Schelling, Thomas C., author
The Twentieth Century Fund, 1961
Buku Teks
Artikel Jurnal
Mathematical Association of America, 1992
Buku Teks