Vallee, Jacques
McGraw-Hill, 1984
Buku Teks
Gildenberg, Robert F., author
Melville Publishing , 1974
Buku Teks
edited by Brenda Laurel
Addison-Wesley, 1990
Buku Teks
Doll, Dixon R., author
John Wiley & Sons, 1978
Buku Teks
Hearn, Donald, author
Prentice-Hall, 1996
Buku Teks