Cristiano, Giuseppe, author
Barron's, 2007
Buku Referensi
Prentice-Hall, 1962
Buku Teks
Kitchin, C.R., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Cochran, William G., author
John Wiley & Sons, 1977
Buku Teks
Cochran, William G., author
John Wiley , 1963
Buku Teks