Neter, John, author
Irwin, 1990
Buku Teks
Onyiah, Leonard C., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Draper, N.R., author
John Wiley & Sons, 1981
Buku Teks
Chatterjee, Samprit, author
John Wiley & Sons, 1977`
Buku Teks
Montgomery, Douglas C., author
John Wiley & Sons, 1982
Buku Teks