Le, Chap T., author
Wiley, 2010
Buku Teks
Fienberg, Stephen E., author
Massachusett Institute of Technology, 1980
Buku Teks
Agresti, Alan, author
John Wiley & Sons, 1984
Buku Teks
Forthofer, Ron R., author
Lifetime Learning, 1981
Buku Teks
edited by L. Andries van der Ark
Lawrence Erlbaum Associates, 2005
Buku Teks