Gill, Gurcharan S., author
Addison-Wesley, 1979
Buku Teks
Barnett, Raymond A., author
Dellen, 1987
Buku Teks
Randolph, John F., author
Wadsworth, 1965
Buku Teks
Johnson, Richard E., author
Allyn and Bacon, 1968
Buku Teks
Stein, Sherman K., author
McGraw-Hill, 1982
Buku Teks