Stanat, Donald D.
Prentice-Hall, 1977
Buku Teks
Sloman, Morris, author
Prentice-Hall, 1987
Buku Teks
Bowers, James C., author
Prentice-Hall, 1971
Buku Teks
Champine, George A., author
North Holland, 1980
Buku Teks
Ross, Kenneeth A., author
Prentice-Hall, 1985
Buku Teks