Fuller, Wayne A., author
John Wiley and Sons, 1976
Buku Teks
Bloomfield, Peter, author
John Wiley and Sons, 1976
Buku Teks
Juul, Svend, author
Stata Press, 2008
Buku Teks
Juul, Svend, author
Texas StataCorp LP, 2014
Buku Teks
Gaynor, Patricia E., author
McGraw-Hill, 1994
Buku Teks