Kuebler, Roy R., author
John Wiley & Sons, 1976
Buku Teks
Weiss, Neil A.
Addison Wesley Publ., 1986
Buku Teks
Blalock, Hubert M., author
McGraw-Hill, 1972
Buku Teks
Johnson, Robert, author
PWS-Kent, 1984
Buku Teks
Mann, Prem S, author
John Wiley & Sons, 2013
Buku Teks