Dyke, Vernon van, author
Stanford University Press, 1962
Buku Teks
Apter, David E., author
Winthrop, 1977
Buku Teks
Sederberg, Peter C.
Chandler & Sharp Publishers, 1977
Buku Teks
Itzkoff, Seymour W.
Peter Lang, 1991
Buku Teks
Cooper, Barry, author
University of Missouri Press, 2004
Buku Teks