Mitchell, Robert L., author
John Wiley & Sons, 1980
Buku Teks
Riggs, James L., author
McGraw-Hill, 1996
Buku Teks
Bierman, Harold, author
Macmillan, 1975
Buku Teks
Bierman, Harold, author
Macmillan, 1971
Buku Teks
Levy, Haim, author
Prentice-Hall, 1878
Buku Teks