Shames, Irving H.
Prentice-Hall, 1975
Buku Teks
Rudden, M.N., author
John Wiley & Sons, 1980
Buku Teks
Ashcroft, Neil W., author
Saunders College, 1976
Buku Teks
Hall, Hennry Edgar, author
John Wiley & Sons, 1974
Buku Teks
Gennaro, Joseph J.
Macmillan, 1965
Buku Teks