Hanushek, Eric A.
Statistical methods for social scientists
Academic Press, 1977
 Buku Teks
MnMillen, Wyne
Statistical methods for social workers / Wyne MnMillen
University of Chicago Press , 1951
 Buku Teks
Snedecor, George W.
Statistical methods
Iowa State University Press, 1989
 Buku Teks
Snedecor, George W.
Statistical methods
The Iowa State University Press, 1980
 Buku Teks
Snedecor, George W.
Statistical methods
The Iowa State University Press, 1950
 Buku Teks