Box, John Fisher
John Wiley & Sons, 1978
Buku Teks
Fisher, Irving Norton
Cornet Press Books, 1956
Buku Teks
Fisher, Douglas
Ill. Irwin, 1971
Buku Teks
Fisher, Irving
Adelphi , 1928
Buku Teks
Powel, Anthony, author
W.W. Norton & Company, 1986
Buku Teks