edited by Brenda Laurel
Addison-Wesley, 1990
Buku Teks
Cavanagh, Joseph J.F., author
McGraw-Hill, 1984
Buku Teks
Spencer, Charles D., author
Cambridge University Press, 1990
Buku Teks
Thornton, J.E., author
Foresman, 1970
Buku Teks
by Kathleen Garver Mastrian ... [et al.]
Jones and Bartlett, 2011
Buku Teks