Miller, Roger LeRoy, author
West Educational Publishing, 1999
Buku Teks
Neter, John, author
Allyn & Bocon, 1956
Buku Teks
Steinhoff, Dan, author
McGraw-Hill, 1982
Buku Teks
Smith, J. C. (James Cruickshanks), 1867-1946, author
Sweet & Maxwell, 1989
Buku Teks
Twomey
South-Western Co, 1987
Buku Teks