Thompson, June M., author
Westview Press, 1990
Buku Teks
Walsh, Warren Bartlett, author
The University of Michigan Press, 1958
Buku Teks
Foreign Language, 1960
Buku Teks
The University of Chicago Press, 1983
Buku Teks
Folsom, Ralph Haughwout, author
West Group, 2011
Buku Teks