edited by Alan M. Glassman
A Wiley/Hamilton Publication, 1978
Buku Teks
Higgins, James M., author
Macmillan, 1994
Buku Teks
Northcraft, Gregory B., author
Dryden Press, 1990
Buku Teks
Frohman, Alan L., author
McGraw-Hill, 1992
Buku Teks
Evans, Paul, author
McGraw-Hill , 2002
Buku Teks