Schlenker, B.R., author
John Wiley & Sons, 1969
Buku Teks
Schaffer, James P.
McGraw-Hill , 2001
Multimedia
Schaffer, James P.
McGraw-Hill , 2001
Multimedia
Schaffer, James P.
McGraw-Hill , 2001
Multimedia
Schaffer, James P.
WCB/McGraw-Hill, 1999
Multimedia