edited by Andrew Eshleman
Blackwell, 2008
Buku Teks
Northrop, F. S. C., author
Macmillan, 1949
Buku Teks
Northrop, F. S. C., author
Macmillan, 1950
Buku Teks
Ward, Barbara, author
W.W. Norton, 1957
Buku Teks
Cyr, Donald, author
Prenada Media, 2004
Buku Teks