Weston, J. Fred (John Fred), 1916-, author
The Dryden Press , 1978
Buku Teks
Weston, J. Fred (John Fred), 1916-, author
Dow Jones-Irwin, 1982
Buku Teks
Weston, J. Fred (John Fred), 1916-
The Dryden Press, 1985
Buku Teks
Findlay III, M. Chapman
Prentice-Hall, 1970
Buku Teks
Franks, J. R.
John Wiley and Sons, 1979
Buku Teks