edited by Nelson Lichtenstein
University of Pennsylvania press, 2006
Buku Teks
Fowler, Robert Booth
University Press of Kansas, 1991
Buku Teks
Gettell, Raymond G.
Appleton-Century-Crofts, 1928
Buku Teks
Mason, Alpheus Thomas,1899-1989
Prentice-Hall, 1959
Buku Teks
Mason, Alpheus Thomas,1899-1989
Cornel University Press, 1955
Buku Teks