edited by Ralph B. Winn
Littlefield, Adams, 1963
Buku Teks
Friedman, Lawrence M., 1930-, author
W.W. Norton, 1984
Buku Teks
Althen, Gery, author
Intercultural Press, 2003
Buku Teks
Woll, Peter, author
Norton, 1963
Buku Teks
Kunstler, Mort, author
Harry N. Abrams, 1986
Buku Referensi