Arlene, Fink
Sage, 2014
Buku Teks SO
Fraenkel, Jack R., 1932-2014
McGraw-Hill, 1993
Buku Teks
Fraenkel, Jack R., 1932-2014
McGraw-Hill, 2008
Buku Teks
Baumgartner, Ted A.
McGraw-HIll, 2002
Buku Teks SO
Baumgartner, Ted A.
McGraw Hil , 2013
Buku Teks SO