Hacker, Louis M., author
Columbia University Press, 1947
Buku Teks
Hacker, Louis M., author
Columbia University Press, 1947.
Buku Teks
edited by James Ward Smith and A. Leland Jamison
Princeton University Press, 1961
Buku Teks
Duxbury, Neil, author
Clarendon Press, 1995
Buku Teks
Spring, Joel, author
McGraw-Hill, 2008
Buku Teks